* Bugfixes:

  - handle '\' characters in lua strings correctly
  - fix lua initialization
  - avoid of using global lua state (global L)
  - fix listen sockets hash to allow multiply workers of same type but on different listen sockets
  - fix modules options inserting to allow multiply options of the same name
  - fix parsing of lua options
  - fix lua rules

5 files changed, 147 insertions, 146 deletions

diff --git a/conf/lua/regexp/drugs.lua b/conf/lua/regexp/drugs.lua
index 30583063a..2c8b608dd 100644
--- a/conf/lua/regexp/drugs.lua
+++ b/conf/lua/regexp/drugs.lua
@@ -4,63 +4,63 @@
 
 local reconf = config['regexp']
 
-local drugs_diet1 = '/(?:\b|\s)[_\W]{0,3}p[_\W]{0,3}h[_\W]{0,3}[e3\xE8-\xEB][_\W]{0,3}n[_\W]{0,3}t[_\W]{0,3}[e3\xE8-\xEB][_\W]{0,3}r[_\W]{0,3}m[_\W]{0,3}[i1!|l\xEC-\xEF][_\W]{0,3}n[_\W]{0,3}[e3\xE8-\xEB][_\W]{0,3}(?:\b|\s)/irP'
-local drugs_diet2 = '/(?:\b|\s)_{0,3}[i1!|l\xEC-\xEF][_\W]?o[_\W]?n[_\W]?[a4\xE0-\xE6@][_\W]?m[_\W]?[i1!|l\xEC-\xEF][_\W]?n_{0,3}\b/irP'
-local drugs_diet3 = '/\bbontril\b/irP'
-local drugs_diet4 = '/\bphendimetrazine\b/irP'
-local drugs_diet5 = '/\bdiethylpropion\b/irP'
-local drugs_diet6 = '/(?:\b|\s)[_\W]{0,3}M[_\W]{0,3}[e3\xE8-\xEB][_\W]{0,3}r[_\W]{0,3}[i1!|l\xEC-\xEF][_\W]{0,3}d[_\W]{0,3}[i1!|l\xEC-\xEF][_\W]{0,3}[a4\xE0-\xE6@][_\W]{0,3}(?:\b|\s)/irP'
-local drugs_diet7 = '/\b_{0,3}t[_\W]?[e3\xE8-\xEB][_\W]?n[_\W]?u[_\W]?a[_\W]?t[_\W]?[e3\xE8-\xEB]_{0,3}(?:\b|\s)/irP'
-local drugs_diet8 = '/\b_{0,3}d[_\W]?[i1!|l\xEC-\xEF][_\W]?d[_\W]?r[_\W][e3\xE8-\xEB[_\W]?xx?_{0,3}\b/irP'
-local drugs_diet9 = '/\b_{0,3}a[_\W]?d[_\W]?[i1!|l\xEC-\xEF][_\W]?p[_\W]?[e3\xE8-\xEB][_\W]?x_{0,3}\b/irP'
-local drugs_diet10 = '/\b_{0,3}x?x[_\W]?[e3\xE8-\xEB][_\W]?n[_\W]?[i1!|l\xEC-\xEF][_\W]?c[_\W]?[a4\xE0-\xE6@][_\W]?l_{0,3}\b/irP'
+local drugs_diet1 = '/(?:\\b|\\s)[_\\W]{0,3}p[_\\W]{0,3}h[_\\W]{0,3}[e3\\xE8-\\xEB][_\\W]{0,3}n[_\\W]{0,3}t[_\\W]{0,3}[e3\\xE8-\\xEB][_\\W]{0,3}r[_\\W]{0,3}m[_\\W]{0,3}[i1!|l\\xEC-\\xEF][_\\W]{0,3}n[_\\W]{0,3}[e3\\xE8-\\xEB][_\\W]{0,3}(?:\\b|\\s)/irP'
+local drugs_diet2 = '/(?:\\b|\\s)_{0,3}[i1!|l\\xEC-\\xEF][_\\W]?o[_\\W]?n[_\\W]?[a4\\xE0-\\xE6@][_\\W]?m[_\\W]?[i1!|l\\xEC-\\xEF][_\\W]?n_{0,3}\\b/irP'
+local drugs_diet3 = '/\\bbontril\\b/irP'
+local drugs_diet4 = '/\\bphendimetrazine\\b/irP'
+local drugs_diet5 = '/\\bdiethylpropion\\b/irP'
+local drugs_diet6 = '/(?:\\b|\\s)[_\\W]{0,3}M[_\\W]{0,3}[e3\\xE8-\\xEB][_\\W]{0,3}r[_\\W]{0,3}[i1!|l\\xEC-\\xEF][_\\W]{0,3}d[_\\W]{0,3}[i1!|l\\xEC-\\xEF][_\\W]{0,3}[a4\\xE0-\\xE6@][_\\W]{0,3}(?:\\b|\\s)/irP'
+local drugs_diet7 = '/\\b_{0,3}t[_\\W]?[e3\\xE8-\\xEB][_\\W]?n[_\\W]?u[_\\W]?a[_\\W]?t[_\\W]?[e3\\xE8-\\xEB]_{0,3}(?:\\b|\\s)/irP'
+local drugs_diet8 = '/\\b_{0,3}d[_\\W]?[i1!|l\\xEC-\\xEF][_\\W]?d[_\\W]?r[_\\W][e3\\xE8-\\xEB[_\\W]?xx?_{0,3}\\b/irP'
+local drugs_diet9 = '/\\b_{0,3}a[_\\W]?d[_\\W]?[i1!|l\\xEC-\\xEF][_\\W]?p[_\\W]?[e3\\xE8-\\xEB][_\\W]?x_{0,3}\\b/irP'
+local drugs_diet10 = '/\\b_{0,3}x?x[_\\W]?[e3\\xE8-\\xEB][_\\W]?n[_\\W]?[i1!|l\\xEC-\\xEF][_\\W]?c[_\\W]?[a4\\xE0-\\xE6@][_\\W]?l_{0,3}\\b/irP'
 reconf['DRUGS_DIET'] = string.format('((%s) | (%s) | (%s)) & ((%s) | (%s) | (%s) | (%s) | (%s) | (%s) | (%s) | (%s) | (%s) | (%s))', reconf['R_UNDISC_RCPT'], reconf['R_BAD_CTE_7BIT'], reconf['R_NO_SPACE_IN_FROM'], drugs_diet1, drugs_diet2, drugs_diet3, drugs_diet4, drugs_diet5, drugs_diet6, drugs_diet7, drugs_diet8, drugs_diet9, drugs_diet10)
-local drugs_erectile1 = '/(?:\b|\s)[_\W]{0,3}(?:\\\/|V)[_\W]{0,3}[ij1!|l\xEC\xED\xEE\xEF][_\W]{0,3}[a40\xE0-\xE6@][_\W]{0,3}[xyz]?[gj][_\W]{0,3}r[_\W]{0,3}[a40\xE0-\xE6@][_\W]{0,3}x?[_\W]{0,3}(?:\b|\s)/irP'
-local drugs_erectile2 = '/\bV(?:agira|igara|iaggra|iaegra)\b/irP'
-local drugs_erectile3 = '/(?:\A|[\s\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f])[_\W]{0,3}C[_\W]{0,3}[ij1!|l\xEC\xED\xEE\xEF][_\W]{0,3}[a4\xE0-\xE6@][_\W]{0,3}l?[l!|1][_\W]{0,3}[i1!|l\xEC-\xEF][_\W]{0,3}s[_\W]{0,3}(?:\b|\s)/irP'
-local drugs_erectile4 = '/\bC(?:alis|ilias|ilais)\b/irP'
-local drugs_erectile5 = '/\b_{0,3}s[_\W]?[i1!|l\xEC-\xEF][_\W]?l[_\W]?d[_\W]?[e3\xE8-\xEB][_\W]?n[_\W]?[a4\xE0-\xE6@][_\W]?f[_\W]?[i1!|l\xEC-\xEF][_\W]?l c[_\W]?[i1!|l\xEC-\xEF][_\W]?t[_\W]?r[_\W]?[a4\xE0-\xE6@][_\W]?t[_\W]?[e3\xE8-\xEB]_{0,3}(?:\b|\s)/irP'
-local drugs_erectile6 = '/\b_{0,3}L[_\W]?[e3\xE8-\xEB][_\W]?(?:\\\/|V)[_\W]?[i1!|l\xEC-\xEF][_\W]?t[_\W]?r[_\W]?[a4\xE0-\xE6@][_\W]?(?:\b|\s)/irP'
-local drugs_erectile8 = '/\b_{0,3}T[_\W]?[a4\xE0-\xE6@][_\W]?d[_\W]?[a4\xE0-\xE6@][_\W]?l[_\W]?[a4\xE0-\xE6@][_\W]?f[_\W]?[i1!|l\xEC-\xEF][_\W]?l_{0,3}\b/irP'
-local drugs_erectile10 = '/\b_{0,3}V[_\W]?(?:i|\&iuml\;)[_\W]?(?:a|\&agrave|\&aring)\;?[_\W]?g[_\W]?r[_\W]?(?:a|\&agrave|\&aring)\b/irP'
-local drugs_erectile11 = '/(?:\b|\s)_{0,3}[a4\xE0-\xE6@][_\W]{0,3}p[_\W]{0,3}c[_\W]{0,3}[a4\xE0-\xE6@][_\W]{0,3}[l!|1][_\W]{0,3}[i1!|l\xEC-\xEF][_\W]{0,3}s_{0,3}\b/irP'
+local drugs_erectile1 = '/(?:\\b|\\s)[_\\W]{0,3}(?:\\\\\\/|V)[_\\W]{0,3}[ij1!|l\\xEC\\xED\\xEE\\xEF][_\\W]{0,3}[a40\\xE0-\\xE6@][_\\W]{0,3}[xyz]?[gj][_\\W]{0,3}r[_\\W]{0,3}[a40\\xE0-\\xE6@][_\\W]{0,3}x?[_\\W]{0,3}(?:\\b|\\s)/irP'
+local drugs_erectile2 = '/\\bV(?:agira|igara|iaggra|iaegra)\\b/irP'
+local drugs_erectile3 = '/(?:\\A|[\\s\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f])[_\\W]{0,3}C[_\\W]{0,3}[ij1!|l\\xEC\\xED\\xEE\\xEF][_\\W]{0,3}[a4\\xE0-\\xE6@][_\\W]{0,3}l?[l!|1][_\\W]{0,3}[i1!|l\\xEC-\\xEF][_\\W]{0,3}s[_\\W]{0,3}(?:\\b|\\s)/irP'
+local drugs_erectile4 = '/\\bC(?:alis|ilias|ilais)\\b/irP'
+local drugs_erectile5 = '/\\b_{0,3}s[_\\W]?[i1!|l\\xEC-\\xEF][_\\W]?l[_\\W]?d[_\\W]?[e3\\xE8-\\xEB][_\\W]?n[_\\W]?[a4\\xE0-\\xE6@][_\\W]?f[_\\W]?[i1!|l\\xEC-\\xEF][_\\W]?l c[_\\W]?[i1!|l\\xEC-\\xEF][_\\W]?t[_\\W]?r[_\\W]?[a4\\xE0-\\xE6@][_\\W]?t[_\\W]?[e3\\xE8-\\xEB]_{0,3}(?:\\b|\\s)/irP'
+local drugs_erectile6 = '/\\b_{0,3}L[_\\W]?[e3\\xE8-\\xEB][_\\W]?(?:\\\\\\/|V)[_\\W]?[i1!|l\\xEC-\\xEF][_\\W]?t[_\\W]?r[_\\W]?[a4\\xE0-\\xE6@][_\\W]?(?:\\b|\\s)/irP'
+local drugs_erectile8 = '/\\b_{0,3}T[_\\W]?[a4\\xE0-\\xE6@][_\\W]?d[_\\W]?[a4\\xE0-\\xE6@][_\\W]?l[_\\W]?[a4\\xE0-\\xE6@][_\\W]?f[_\\W]?[i1!|l\\xEC-\\xEF][_\\W]?l_{0,3}\\b/irP'
+local drugs_erectile10 = '/\\b_{0,3}V[_\\W]?(?:i|\\&iuml\\;)[_\\W]?(?:a|\\&agrave|\\&aring)\\;?[_\\W]?g[_\\W]?r[_\\W]?(?:a|\\&agrave|\\&aring)\\b/irP'
+local drugs_erectile11 = '/(?:\\b|\\s)_{0,3}[a4\\xE0-\\xE6@][_\\W]{0,3}p[_\\W]{0,3}c[_\\W]{0,3}[a4\\xE0-\\xE6@][_\\W]{0,3}[l!|1][_\\W]{0,3}[i1!|l\\xEC-\\xEF][_\\W]{0,3}s_{0,3}\\b/irP'
 reconf['DRUGS_ERECTILE'] = string.format('((%s) | (%s) | (%s)) & ((%s) | (%s) | (%s) | (%s) | (%s) | (%s) | (%s) | (%s) | (%s))', reconf['R_UNDISC_RCPT'], reconf['R_BAD_CTE_7BIT'], reconf['R_NO_SPACE_IN_FROM'], drugs_erectile1, drugs_erectile2, drugs_erectile3, drugs_erectile4, drugs_erectile5, drugs_erectile6, drugs_erectile8, drugs_erectile10, drugs_erectile11)
-local drugs_anxiety1 = '/(?:\b|\s)[_\W]{0,3}x?x[_\W]{0,3}[a4\xE0-\xE6@][_\W]{0,3}n[_\W]{0,3}[ea4\xE1\xE2\xE3@][_\W]{0,3}xx?_{0,3}\b/irP'
-local drugs_anxiety2 = '/\bAlprazolam\b/irP'
-local drugs_anxiety3 = '/(?:\b|\s)[_\W]{0,3}(?:\\\/|V)[_\W]{0,3}[a4\xE0-\xE6@][_\W]{0,3}[l|][_\W]{0,3}[i1!|l\xEC-\xEF][_\W]{0,3}[u\xB5\xF9-\xFC][_\W]{0,3}m\b/irP'
-local drugs_anxiety4 = '/\b_{0,3}D[_\W]?[i1!|l\xEC-\xEF][_\W]?[a4\xE0-\xE6@][_\W]?z[_\W]?[ea3\xE9\xEA\xEB][_\W]?p[_\W]?[a4\xE0-\xE6@][_\W]?m_{0,3}\b/irP'
-local drugs_anxiety5 = '/(?:\b|\s)[a4\xE0-\xE6@][_\W]?t[_\W]?[i1!|l\xEC-\xEF][_\W]?v[_\W]?[a4\xE0-\xE6@][_\W]?n_{0,3}\b/irP'
-local drugs_anxiety6 = '/\b_{0,3}l[_\W]?[o0\xF2-\xF6][_\W]?r[_\W]?[a4\xE0-\xE6@][_\W]?z[_\W]?[e3\xE8-\xEB][_\W]?p[_\W]?[a4\xE0-\xE6@][_\W]?m_{0,3}\b/irP'
-local drugs_anxiety7 = '/\b_{0,3}c[_\W]?l[_\W]?[o0\xF2-\xF6][_\W]?n[_\W]?[a4\xE0-\xE6@][_\W]?z[_\W]?e[_\W]?p[_\W]?[a4\xE0-\xE6@][_\W]?m\b/irP'
-local drugs_anxiety8 = '/\bklonopin\b/irP'
-local drugs_anxiety9 = '/\brivotril\b/irP'
+local drugs_anxiety1 = '/(?:\\b|\\s)[_\\W]{0,3}x?x[_\\W]{0,3}[a4\\xE0-\\xE6@][_\\W]{0,3}n[_\\W]{0,3}[ea4\\xE1\\xE2\\xE3@][_\\W]{0,3}xx?_{0,3}\\b/irP'
+local drugs_anxiety2 = '/\\bAlprazolam\\b/irP'
+local drugs_anxiety3 = '/(?:\\b|\\s)[_\\W]{0,3}(?:\\\\\\/|V)[_\\W]{0,3}[a4\\xE0-\\xE6@][_\\W]{0,3}[l|][_\\W]{0,3}[i1!|l\\xEC-\\xEF][_\\W]{0,3}[u\\xB5\\xF9-\\xFC][_\\W]{0,3}m\\b/irP'
+local drugs_anxiety4 = '/\\b_{0,3}D[_\\W]?[i1!|l\\xEC-\\xEF][_\\W]?[a4\\xE0-\\xE6@][_\\W]?z[_\\W]?[ea3\\xE9\\xEA\\xEB][_\\W]?p[_\\W]?[a4\\xE0-\\xE6@][_\\W]?m_{0,3}\\b/irP'
+local drugs_anxiety5 = '/(?:\\b|\\s)[a4\\xE0-\\xE6@][_\\W]?t[_\\W]?[i1!|l\\xEC-\\xEF][_\\W]?v[_\\W]?[a4\\xE0-\\xE6@][_\\W]?n_{0,3}\\b/irP'
+local drugs_anxiety6 = '/\\b_{0,3}l[_\\W]?[o0\\xF2-\\xF6][_\\W]?r[_\\W]?[a4\\xE0-\\xE6@][_\\W]?z[_\\W]?[e3\\xE8-\\xEB][_\\W]?p[_\\W]?[a4\\xE0-\\xE6@][_\\W]?m_{0,3}\\b/irP'
+local drugs_anxiety7 = '/\\b_{0,3}c[_\\W]?l[_\\W]?[o0\\xF2-\\xF6][_\\W]?n[_\\W]?[a4\\xE0-\\xE6@][_\\W]?z[_\\W]?e[_\\W]?p[_\\W]?[a4\\xE0-\\xE6@][_\\W]?m\\b/irP'
+local drugs_anxiety8 = '/\\bklonopin\\b/irP'
+local drugs_anxiety9 = '/\\brivotril\\b/irP'
 reconf['DRUGS_ANXIETY'] = string.format('((%s) | (%s) | (%s)) & ((%s) | (%s) | (%s) | (%s) | (%s) | (%s) | (%s) | (%s) | (%s))', reconf['R_UNDISC_RCPT'], reconf['R_BAD_CTE_7BIT'], reconf['R_NO_SPACE_IN_FROM'], drugs_anxiety1, drugs_anxiety2, drugs_anxiety3, drugs_anxiety4, drugs_anxiety5, drugs_anxiety6, drugs_anxiety7, drugs_anxiety8, drugs_anxiety9)
 reconf['DRUGS_ANXIETY_EREC'] = string.format('(%s) & (%s)', reconf['DRUGS_ERECTILE'], reconf['DRUGS_ANXIETY'])
-local drugs_pain1 = '/\b_{0,3}h[_\W]?y[_\W]?d[_\W]?r[_\W]?[o0\xF2-\xF6][_\W]?c[_\W]?[o0\xF2-\xF6][_\W]?d[_\W]?[o0\xF2-\xF6][_\W]?n[_\W]?e_{0,3}\b/irP'
-local drugs_pain2 = '/\b_{0,3}c[o0\xF2-\xF6]deine_{0,3}\b/irP'
-local drugs_pain3 = '/(?:\b|\s)[_\W]{0,3}[u\xB5\xF9-\xFC][_\W]{0,3}l[_\W]{0,3}t[_\W]{0,3}r[_\W]{0,3}[a4\xE0-\xE6@][_\W]{0,3}m_{0,3}\b/irP'
-local drugs_pain4 = '/(?:\b|\s)[_\W]{0,3}(?:\\\/|V)[_\W]{0,3}[i1!|l\xEC-\xEF][_\W]{0,3}c[_\W]{0,3}[o0\xF2-\xF6][_\W]{0,3}d[_\W]{0,3}[i1!|l\xEC-\xEF][_\W]{0,3}ns?[_\W]{0,3}(?:\b|\s)/irP'
-local drugs_pain5 = '/\b_{0,3}t[_\W]?r[_\W]?[a4\xE0-\xE6@][_\W]?m[_\W]?[a4\xE0-\xE6@][_\W]?d[_\W]?[o0\xF2-\xF6][_\W]?[l!|1]_{0,3}\b/irP'
-local drugs_pain6 = '/\b_{0,3}u[_\W]?l[_\W]?t[_\W]?r[_\W]?a[_\W]?c[_\W]?e[_\W]?t_{0,3}\b/irP'
-local drugs_pain7 = '/\b_{0,3}f[_\W]?[i1!|l\xEC-\xEF][_\W]?[o0\xF2-\xF6][_\W]?r[_\W]?[i1!|l\xEC-\xEF][_\W]?c[_\W]?[e3\xE8-\xEB][_\W]?[t7]_{0,3}\b/irP'
-local drugs_pain8 = '/\b_{0,3}c[_\W]?[e3\xE8-\xEB][_\W]?l[_\W]?[e3\xE8-\xEB][_\W]?b[_\W]?r[_\W]?[e3\xE8-\xEB][_\W]?x_{0,3}\b/irP'
-local drugs_pain9 = '/(?:\b|\s)_{0,3}[i1!|l\xEC-\xEF]m[i1!|l\xEC-\xEF]tr[e3\xE8-\xEB]x_{0,3}\b/irP'
-local drugs_pain10 = '/(?:\b|\s)[_\W]{0,3}(?:\\\/|V)[_\W]{0,3}[i1!|l\xEC-\xEF][_\W]{0,3}[o0\xF2-\xF6][_\W]{0,3}x[_\W]{0,3}xx?_{0,3}\b/irP'
-local drugs_pain11 = '/\bzebutal\b/irP'
-local drugs_pain12 = '/\besgic plus\b/irP'
-local drugs_pain13 = '/\bD[_\W]?[a4\xE0-\xE6@][_\W]?r[_\W]?v[_\W]?[o0\xF2-\xF6][_\W]?n\b/irP'
-local drugs_pain14 = '/N[o0\xF2-\xF6]rc[o0\xF2-\xF6]/irP'
+local drugs_pain1 = '/\\b_{0,3}h[_\\W]?y[_\\W]?d[_\\W]?r[_\\W]?[o0\\xF2-\\xF6][_\\W]?c[_\\W]?[o0\\xF2-\\xF6][_\\W]?d[_\\W]?[o0\\xF2-\\xF6][_\\W]?n[_\\W]?e_{0,3}\\b/irP'
+local drugs_pain2 = '/\\b_{0,3}c[o0\\xF2-\\xF6]deine_{0,3}\\b/irP'
+local drugs_pain3 = '/(?:\\b|\\s)[_\\W]{0,3}[u\\xB5\\xF9-\\xFC][_\\W]{0,3}l[_\\W]{0,3}t[_\\W]{0,3}r[_\\W]{0,3}[a4\\xE0-\\xE6@][_\\W]{0,3}m_{0,3}\\b/irP'
+local drugs_pain4 = '/(?:\\b|\\s)[_\\W]{0,3}(?:\\\\\\/|V)[_\\W]{0,3}[i1!|l\\xEC-\\xEF][_\\W]{0,3}c[_\\W]{0,3}[o0\\xF2-\\xF6][_\\W]{0,3}d[_\\W]{0,3}[i1!|l\\xEC-\\xEF][_\\W]{0,3}ns?[_\\W]{0,3}(?:\\b|\\s)/irP'
+local drugs_pain5 = '/\\b_{0,3}t[_\\W]?r[_\\W]?[a4\\xE0-\\xE6@][_\\W]?m[_\\W]?[a4\\xE0-\\xE6@][_\\W]?d[_\\W]?[o0\\xF2-\\xF6][_\\W]?[l!|1]_{0,3}\\b/irP'
+local drugs_pain6 = '/\\b_{0,3}u[_\\W]?l[_\\W]?t[_\\W]?r[_\\W]?a[_\\W]?c[_\\W]?e[_\\W]?t_{0,3}\\b/irP'
+local drugs_pain7 = '/\\b_{0,3}f[_\\W]?[i1!|l\\xEC-\\xEF][_\\W]?[o0\\xF2-\\xF6][_\\W]?r[_\\W]?[i1!|l\\xEC-\\xEF][_\\W]?c[_\\W]?[e3\\xE8-\\xEB][_\\W]?[t7]_{0,3}\\b/irP'
+local drugs_pain8 = '/\\b_{0,3}c[_\\W]?[e3\\xE8-\\xEB][_\\W]?l[_\\W]?[e3\\xE8-\\xEB][_\\W]?b[_\\W]?r[_\\W]?[e3\\xE8-\\xEB][_\\W]?x_{0,3}\\b/irP'
+local drugs_pain9 = '/(?:\\b|\\s)_{0,3}[i1!|l\\xEC-\\xEF]m[i1!|l\\xEC-\\xEF]tr[e3\\xE8-\\xEB]x_{0,3}\\b/irP'
+local drugs_pain10 = '/(?:\\b|\\s)[_\\W]{0,3}(?:\\\\\\/|V)[_\\W]{0,3}[i1!|l\\xEC-\\xEF][_\\W]{0,3}[o0\\xF2-\\xF6][_\\W]{0,3}x[_\\W]{0,3}xx?_{0,3}\\b/irP'
+local drugs_pain11 = '/\\bzebutal\\b/irP'
+local drugs_pain12 = '/\\besgic plus\\b/irP'
+local drugs_pain13 = '/\\bD[_\\W]?[a4\\xE0-\\xE6@][_\\W]?r[_\\W]?v[_\\W]?[o0\\xF2-\\xF6][_\\W]?n\\b/irP'
+local drugs_pain14 = '/N[o0\\xF2-\\xF6]rc[o0\\xF2-\\xF6]/irP'
 local drugs_pain = string.format('((%s) | (%s) | (%s)) & ((%s) | (%s) | (%s) | (%s) | (%s) | (%s) | (%s) | (%s) | (%s) | (%s) | (%s) | (%s) || (%s) | (%s))', reconf['R_UNDISC_RCPT'], reconf['R_BAD_CTE_7BIT'], reconf['R_NO_SPACE_IN_FROM'], drugs_pain1, drugs_pain2, drugs_pain3, drugs_pain4, drugs_pain5, drugs_pain6, drugs_pain7, drugs_pain8, drugs_pain9, drugs_pain10, drugs_pain11, drugs_pain12, drugs_pain13, drugs_pain14)
-local drugs_sleep1 = '/(?:\b|\s)[_\W]{0,3}[a4\xE0-\xE6@][_\W]{0,3}m[_\W]{0,3}b[_\W]{0,3}[i1!|l\xEC-\xEF][_\W]{0,3}[e3\xE8-\xEB][_\W]{0,3}n[_\W]{0,3}(?:\b|\s)/irP'
-local drugs_sleep2 = '/(?:\b|\s)[_\W]{0,3}S[_\W]{0,3}[o0\xF2-\xF6][_\W]{0,3}n[_\W]{0,3}[a4\xE0-\xE6@][_\W]{0,3}t[_\W]{0,3}[a4\xE0-\xE6@][_\W]{0,3}(?:\b|\s)/irP'
-local drugs_sleep3 = '/\b_{0,3}R[_\W]?[e3\xE8-\xEB][_\W]?s[_\W]?t[_\W]?[o0\xF2-\xF6][_\W]?r[_\W]?i[_\W]?l_{0,3}\b/irP'
-local drugs_sleep4 = '/\b_{0,3}H[_\W]?[a4\xE0-\xE6@][_\W]?l[_\W]?c[_\W]?i[_\W]?[o0\xF2-\xF6][_\W]?n_{0,3}\b/irP'
+local drugs_sleep1 = '/(?:\\b|\\s)[_\\W]{0,3}[a4\\xE0-\\xE6@][_\\W]{0,3}m[_\\W]{0,3}b[_\\W]{0,3}[i1!|l\\xEC-\\xEF][_\\W]{0,3}[e3\\xE8-\\xEB][_\\W]{0,3}n[_\\W]{0,3}(?:\\b|\\s)/irP'
+local drugs_sleep2 = '/(?:\\b|\\s)[_\\W]{0,3}S[_\\W]{0,3}[o0\\xF2-\\xF6][_\\W]{0,3}n[_\\W]{0,3}[a4\\xE0-\\xE6@][_\\W]{0,3}t[_\\W]{0,3}[a4\\xE0-\\xE6@][_\\W]{0,3}(?:\\b|\\s)/irP'
+local drugs_sleep3 = '/\\b_{0,3}R[_\\W]?[e3\\xE8-\\xEB][_\\W]?s[_\\W]?t[_\\W]?[o0\\xF2-\\xF6][_\\W]?r[_\\W]?i[_\\W]?l_{0,3}\\b/irP'
+local drugs_sleep4 = '/\\b_{0,3}H[_\\W]?[a4\\xE0-\\xE6@][_\\W]?l[_\\W]?c[_\\W]?i[_\\W]?[o0\\xF2-\\xF6][_\\W]?n_{0,3}\\b/irP'
 local drugs_sleep = string.format('(%s) | (%s) | (%s) | (%s)', drugs_sleep1, drugs_sleep2, drugs_sleep3, drugs_sleep4)
-local drugs_muscle1 = '/(?:\b|\s)[_\W]{0,3}s[_\W]{0,3}[o0\xF2-\xF6][_\W]{0,3}m[_\W]{0,3}[a4\xE0-\xE6@][_\W]{0,3}(?:\b|\s)/irP'
-local drugs_muscle2 = '/\b_{0,3}cycl[o0\xF2-\xF6]b[e3\xE8-\xEB]nz[a4\xE0-\xE6@]pr[i1!|l\xEC-\xEF]n[e3\xE8-\xEB]_{0,3}(?:\b|\s)/irP'
-local drugs_muscle3 = '/\b_{0,3}f[_\W]?l[_\W]?[e3\xE8-\xEB][_\W]?x[_\W]?[e3\xE8-\xEB][_\W]?r[_\W]?[i1!|l\xEC-\xEF]_{0,3}[_\W]?l_{0,3}\b/irP'
-local drugs_muscle4 = '/\b_{0,3}z[_\W]?a[_\W]?n[_\W]?a[_\W]?f[_\W]?l[_\W]?e[_\W]?x_{0,3}\b/irP'
-local drugs_muscle5 = '/\bskelaxin\b/irP'
+local drugs_muscle1 = '/(?:\\b|\\s)[_\\W]{0,3}s[_\\W]{0,3}[o0\\xF2-\\xF6][_\\W]{0,3}m[_\\W]{0,3}[a4\\xE0-\\xE6@][_\\W]{0,3}(?:\\b|\\s)/irP'
+local drugs_muscle2 = '/\\b_{0,3}cycl[o0\\xF2-\\xF6]b[e3\\xE8-\\xEB]nz[a4\\xE0-\\xE6@]pr[i1!|l\\xEC-\\xEF]n[e3\\xE8-\\xEB]_{0,3}(?:\\b|\\s)/irP'
+local drugs_muscle3 = '/\\b_{0,3}f[_\\W]?l[_\\W]?[e3\\xE8-\\xEB][_\\W]?x[_\\W]?[e3\\xE8-\\xEB][_\\W]?r[_\\W]?[i1!|l\\xEC-\\xEF]_{0,3}[_\\W]?l_{0,3}\\b/irP'
+local drugs_muscle4 = '/\\b_{0,3}z[_\\W]?a[_\\W]?n[_\\W]?a[_\\W]?f[_\\W]?l[_\\W]?e[_\\W]?x_{0,3}\\b/irP'
+local drugs_muscle5 = '/\\bskelaxin\\b/irP'
 reconf['DRUGS_MUSCLE'] = string.format('((%s) | (%s) | (%s)) & ((%s) | (%s) | (%s) | (%s) | (%s))', reconf['R_UNDISC_RCPT'], reconf['R_BAD_CTE_7BIT'], reconf['R_NO_SPACE_IN_FROM'], drugs_muscle1, drugs_muscle2, drugs_muscle3, drugs_muscle4, drugs_muscle5)
 reconf['DRUGS_MANYKINDS'] = string.format('((%s) | (%s) | (%s)) & regexp_match_number(3, (%s), (%s), (%s), (%s), (%s), (%s))', reconf['R_UNDISC_RCPT'], reconf['R_BAD_CTE_7BIT'], reconf['R_NO_SPACE_IN_FROM'], reconf['DRUGS_ERECTILE'], reconf['DRUGS_DIET'], drugs_pain, drugs_sleep, reconf['DRUGS_MUSCLE'], reconf['DRUGS_ANXIETY'])
 
diff --git a/conf/lua/regexp/fraud.lua b/conf/lua/regexp/fraud.lua
index 5800fa271..40465744f 100644
--- a/conf/lua/regexp/fraud.lua
+++ b/conf/lua/regexp/fraud.lua
@@ -1,43 +1,43 @@
 -- Fraud messages (Nigeria spam, viagra, etc)
 local reconf = config['regexp']
 
-local fraud_dbi = '/(?:\bdollars?\b|\busd(?:ollars)?(?:[0-9]|\b)|\bus\$|\$[0-9,.]{6,}|\$[0-9].{0,8}[mb]illion|\$[0-9.,]{2,10} ?m|\beuros?\b|u[.]?s[.]? [0-9.]+ m)/irP'
+local fraud_dbi = '/(?:\\bdollars?\\b|\\busd(?:ollars)?(?:[0-9]|\\b)|\\bus\\$|\\$[0-9,.]{6,}|\\$[0-9].{0,8}[mb]illion|\\$[0-9.,]{2,10} ?m|\\beuros?\\b|u[.]?s[.]? [0-9.]+ m)/irP'
 local fraud_kjv = '/(?:claim|concerning) (?:the|this) money/irP'
 local fraud_irj = '/(?:finance|holding|securit(?:ies|y)) (?:company|firm|storage house)/irP'
 local fraud_neb = '/(?:government|bank) of nigeria/irP'
 local fraud_xjr = '/(?:who was a|as a|an? honest|you being a|to any) foreigner/irP'
-local fraud_dpr = '/\b(?:(?:respond|reply) (?:urgently|immediately)|(?:urgent|immediate|earliest) (?:reply|response))\b/irP'
-local fraud_pts = '/\b(?:ass?ass?inat(?:ed|ion)|murder(?:e?d)?|kill(?:ed|ing)\b[^.]{0,99}\b(?:war veterans|rebels?))\b/irP'
-local fraud_bep = '/\b(?:bank of nigeria|central bank of|trust bank|apex bank|amalgamated bank)\b/irP'
-local fraud_tdp = '/\b(?:business partner(?:s|ship)?|silent partner(?:s|ship)?)\b/irP'
-local fraud_gan = '/\b(?:charles taylor|serena|abacha|gu[eйи]i|sese[- ]?seko|kabila)\b/irP'
-local fraud_irt = '/\b(?:compliments? of the|dear friend|dear sir|yours faithfully|season\'?s greetings)\b/irP'
-local fraud_aon = '/\b(?:confidential|private|alternate|alternative) (?:(?:e-? *)?mail)\b/irP'
-local fraud_wny = '/\b(?:disburse?(?:ment)?|incurr?(?:ed)?|remunerr?at(?:ed?|ion)|remm?itt?(?:ed|ance|ing)?)\b/irP'
-local fraud_ipk = '/\b(?:in|to|visit) your country\b/irP'
-local fraud_qxx = '/\b(?:my name is|i am) (?:mrs?|engr|barrister|dr|prince(?:ss)?)[. ]/irP'
-local fraud_iou = '/\b(?:no risks?|risk-? *free|free of risks?|100% safe)\b/irP'
-local fraud_ezy = '/\b(?:of|the) late president\b/irP'
-local fraud_mly = '/\b(?:reply|respond)\b[^.]{0,50}\b(?:to|through)\b[^.]{0,50}\@\b/irP'
-local fraud_zfj = '/\b(?:wife|son|brother|daughter) of the late\b/irP'
-local fraud_kdt = '/\bU\.?S\.?(?:D\.?)?\s*(?:\$\s*)?(?:\d+,\d+,\d+|\d+\.\d+\.\d+|\d+(?:\.\d+)?\s*milli?on)/irP'
-local fraud_ulk = '/\baffidavits?\b/irP'
-local fraud_bgp = '/\battached to ticket number\b/irP'
-local fraud_fbi = '/\bdisburs/irP'
-local fraud_jbu = '/\bforeign account\b/irP'
-local fraud_yww = '/\bfurnish you with\b/irP'
-local fraud_jyg = '/\bgive\s+you .{0,15}(?:fund|money|total|sum|contact|percent)\b/irP'
-local fraud_xvw = '/\bhonest cooperation\b/irP'
-local fraud_uuy = '/\blegitimate business(?:es)?\b/irP'
-local fraud_snt = '/\blocate(?: .{1,20})? extended relative/irP'
-local fraud_ltx = '/\bmilli?on (?:.{1,25} thousand\s*)?(?:(?:united states|u\.?s\.?) dollars|(?i:U\.?S\.?D?))\b/irP'
-local fraud_jnb = '/\boperat(?:e|ing)\b[^.]{0,99}\b(?:for(?:ei|ie)gn|off-? ?shore|over-? ?seas?) (?:bank )?accounts?\b/irP'
-local fraud_qfy = '/\bover-? *(?:invoiced?|cost(?:s|ing)?)\b/irP'
-local fraud_wdr = '/\bprivate lawyer\b/irP'
-local fraud_wfc = '/\bsecur(?:e|ing) (?:the )?(?:funds?|monies)\b/irP'
-local fraud_aum = '/\bthe desk of\b/irP'
-local fraud_mcq = '/\btransaction\b.{1,30}\b(?:magnitude|diplomatic|strict|absolute|secret|confiden(?:tial|ce)|guarantee)/irP'
-local fraud_etx = '/\byour\b[^.]{0,99}\b(?:contact (?:details|information)|private (?:e?[- ]?mail|telephone|tel|phone|fax))\b/irP'
+local fraud_dpr = '/\\b(?:(?:respond|reply) (?:urgently|immediately)|(?:urgent|immediate|earliest) (?:reply|response))\\b/irP'
+local fraud_pts = '/\\b(?:ass?ass?inat(?:ed|ion)|murder(?:e?d)?|kill(?:ed|ing)\\b[^.]{0,99}\\b(?:war veterans|rebels?))\\b/irP'
+local fraud_bep = '/\\b(?:bank of nigeria|central bank of|trust bank|apex bank|amalgamated bank)\\b/irP'
+local fraud_tdp = '/\\b(?:business partner(?:s|ship)?|silent partner(?:s|ship)?)\\b/irP'
+local fraud_gan = '/\\b(?:charles taylor|serena|abacha|gu[eйи]i|sese[- ]?seko|kabila)\\b/irP'
+local fraud_irt = '/\\b(?:compliments? of the|dear friend|dear sir|yours faithfully|season\'?s greetings)\\b/irP'
+local fraud_aon = '/\\b(?:confidential|private|alternate|alternative) (?:(?:e-? *)?mail)\\b/irP'
+local fraud_wny = '/\\b(?:disburse?(?:ment)?|incurr?(?:ed)?|remunerr?at(?:ed?|ion)|remm?itt?(?:ed|ance|ing)?)\\b/irP'
+local fraud_ipk = '/\\b(?:in|to|visit) your country\\b/irP'
+local fraud_qxx = '/\\b(?:my name is|i am) (?:mrs?|engr|barrister|dr|prince(?:ss)?)[. ]/irP'
+local fraud_iou = '/\\b(?:no risks?|risk-? *free|free of risks?|100% safe)\\b/irP'
+local fraud_ezy = '/\\b(?:of|the) late president\\b/irP'
+local fraud_mly = '/\\b(?:reply|respond)\\b[^.]{0,50}\\b(?:to|through)\\b[^.]{0,50}\\@\\b/irP'
+local fraud_zfj = '/\\b(?:wife|son|brother|daughter) of the late\\b/irP'
+local fraud_kdt = '/\\bU\\.?S\\.?(?:D\\.?)?\\s*(?:\\$\\s*)?(?:\\d+,\\d+,\\d+|\\d+\\.\\d+\\.\\d+|\\d+(?:\\.\\d+)?\\s*milli?on)/irP'
+local fraud_ulk = '/\\baffidavits?\\b/irP'
+local fraud_bgp = '/\\battached to ticket number\\b/irP'
+local fraud_fbi = '/\\bdisburs/irP'
+local fraud_jbu = '/\\bforeign account\\b/irP'
+local fraud_yww = '/\\bfurnish you with\\b/irP'
+local fraud_jyg = '/\\bgive\\s+you .{0,15}(?:fund|money|total|sum|contact|percent)\\b/irP'
+local fraud_xvw = '/\\bhonest cooperation\\b/irP'
+local fraud_uuy = '/\\blegitimate business(?:es)?\\b/irP'
+local fraud_snt = '/\\blocate(?: .{1,20})? extended relative/irP'
+local fraud_ltx = '/\\bmilli?on (?:.{1,25} thousand\\s*)?(?:(?:united states|u\\.?s\\.?) dollars|(?i:U\\.?S\\.?D?))\\b/irP'
+local fraud_jnb = '/\\boperat(?:e|ing)\\b[^.]{0,99}\\b(?:for(?:ei|ie)gn|off-? ?shore|over-? ?seas?) (?:bank )?accounts?\\b/irP'
+local fraud_qfy = '/\\bover-? *(?:invoiced?|cost(?:s|ing)?)\\b/irP'
+local fraud_wdr = '/\\bprivate lawyer\\b/irP'
+local fraud_wfc = '/\\bsecur(?:e|ing) (?:the )?(?:funds?|monies)\\b/irP'
+local fraud_aum = '/\\bthe desk of\\b/irP'
+local fraud_mcq = '/\\btransaction\\b.{1,30}\\b(?:magnitude|diplomatic|strict|absolute|secret|confiden(?:tial|ce)|guarantee)/irP'
+local fraud_etx = '/\\byour\\b[^.]{0,99}\\b(?:contact (?:details|information)|private (?:e?[- ]?mail|telephone|tel|phone|fax))\\b/irP'
 local fraud_pvn = '/as the beneficiary/irP'
 local fraud_fvu = '/award notification/irP'
 local fraud_ckf = '/computer ballot system/irP'
diff --git a/conf/lua/regexp/headers.lua b/conf/lua/regexp/headers.lua
index 4ece9aed2..b775f72a9 100644
--- a/conf/lua/regexp/headers.lua
+++ b/conf/lua/regexp/headers.lua
@@ -4,13 +4,15 @@ local reconf = config['regexp']
 
 -- Subject needs encoding
 -- Define encodings types
-local subject_encoded_b64 = 'Subject=/=\?\S+\?B\?/iX'
-local subject_encoded_qp = 'Subject=/=\?\S+\?Q\?/iX'
+local subject_encoded_b64 = 'Subject=/=\\?\\S+\\?B\\?/iX'
+local subject_encoded_qp = 'Subject=/=\\?\\S+\\?Q\\?/iX'
 -- Define whether subject must be encoded (contains non-7bit characters)
-local subject_needs_mime = 'Subject=/[\x00-\x08\x0b\x0c\x0e-\x1f\x7f-\xff]/X'
+local subject_needs_mime = 'Subject=/[\\x00-\\x08\\x0b\\x0c\\x0e-\\x1f\\x7f-\\xff]/X'
 -- Final rule
 reconf['SUBJECT_NEEDS_ENCODING'] = string.format('!(%s) & !(%s) & (%s)', subject_encoded_b64, subject_encoded_qp, subject_needs_mime)
 
+-- Detects that there is no space in From header (e.g. Some Name<some@host>)
+reconf['R_NO_SPACE_IN_FROM'] = 'From=/\\S<[-\\w\\.]+\\@[-\\w\\.]+>/X'
 
 -- Detects missing subject
 local has_subject = 'header_exists(Subject)'
@@ -24,7 +26,7 @@ local r_ctype_text = 'content_type_is_type(text)'
 -- Content transfer encoding is 7bit
 local r_cte_7bit = 'compare_transfer_encoding(7bit)'
 -- And body contains 8bit characters
-local r_body_8bit = '/[^\x01-\x7f]/Pr'
+local r_body_8bit = '/[^\\x01-\\x7f]/Pr'
 reconf['R_BAD_CTE_7BIT'] = string.format('(%s) & (%s) & (%s)', r_ctype_text, r_cte_7bit, r_body_8bit)
 
 -- Detects missing To header
@@ -39,16 +41,16 @@ local has_mid = 'header_exists(Message-Id)'
 reconf['MISSING_MID'] = '!header_exists(Message-Id)';
 
 -- Received seems to be fake
-reconf['R_RCVD_SPAMBOTS'] = 'Received=/^from \[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\] by [-.\w+]{5,255}; [SMTWF][a-z][a-z], [\s\d]?\d [JFMAJSOND][a-z][a-z] \d{4} \d{2}:\d{2}:\d{2} [-+]\d{4}$/mH'
+reconf['R_RCVD_SPAMBOTS'] = 'Received=/^from \\[\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\] by [-.\\w+]{5,255}; [SMTWF][a-z][a-z], [\\s\\d]?\\d [JFMAJSOND][a-z][a-z] \\d{4} \\d{2}:\\d{2}:\\d{2} [-+]\\d{4}$/mH'
 
 -- To header seems to be autogenerated
-reconf['R_TO_SEEMS_AUTO'] = 'To=/\"?(?<bt>[-.\w]{1,64})\"?\s<\k<bt>\@/H'
+reconf['R_TO_SEEMS_AUTO'] = 'To=/\\"?(?<bt>[-.\\w]{1,64})\\"?\\s<\\k<bt>\\@/H'
 
 -- Charset is missing in message
 reconf['R_MISSING_CHARSET']= string.format('content_type_is_type(text) & !content_type_has_param(charset) & !%s', r_cte_7bit);
 
 -- Subject seems to be spam
-reconf['R_SAJDING'] = 'Subject=/\bsajding(?:om|a)?\b/iH'
+reconf['R_SAJDING'] = 'Subject=/\\bsajding(?:om|a)?\\b/iH'
 
 -- Messages that have only HTML part
 reconf['MIME_HTML_ONLY'] = 'has_only_html_part()'
@@ -56,10 +58,10 @@ reconf['MIME_HTML_ONLY'] = 'has_only_html_part()'
 
 -- Find forged Outlook MUA 
 -- Yahoo groups messages
-local yahoo_bulk = 'Received=/from \[\S+\] by \S+\.(?:groups|scd|dcn)\.yahoo\.com with NNFMP/H'
+local yahoo_bulk = 'Received=/from \\[\\S+\\] by \\S+\\.(?:groups|scd|dcn)\\.yahoo\\.com with NNFMP/H'
 -- Outlook MUA
-local outlook_mua = 'X-Mailer=/^Microsoft Outlook\b/H'
-local any_outlook_mua = 'X-Mailer=/^Microsoft Outlook\b/H'
+local outlook_mua = 'X-Mailer=/^Microsoft Outlook\\b/H'
+local any_outlook_mua = 'X-Mailer=/^Microsoft Outlook\\b/H'
 reconf['FORGED_OUTLOOK_HTML'] = string.format('!%s & %s & %s', yahoo_bulk, outlook_mua, reconf['MIME_HTML_ONLY'])
 
 -- Recipients seems to be likely with each other (only works when recipients count is more than 5 recipients)
@@ -69,43 +71,43 @@ reconf['SUSPICIOUS_RECIPS'] = 'compare_recipients_distance(0.65)'
 reconf['SORTED_RECIPS'] = 'is_recipients_sorted()'
 
 -- Spam string at the end of message to make statistics faults
-reconf['TRACKER_ID'] = '/^[a-z0-9]{6,24}[-_a-z0-9]{2,36}[a-z0-9]{6,24}\s*\z/isPr'
+reconf['TRACKER_ID'] = '/^[a-z0-9]{6,24}[-_a-z0-9]{2,36}[a-z0-9]{6,24}\\s*\\z/isPr'
 
 -- From that contains encoded characters while base 64 is not needed as all symbols are 7bit
 -- Regexp that checks that from header is encoded with base64 (search in raw headers)
-local from_encoded_b64 = 'From=/\=\?\S+\?B\?/iX'
+local from_encoded_b64 = 'From=/\\=\\?\\S+\\?B\\?/iX'
 -- From contains only 7bit characters (parsed headers are used)
-local from_needs_mime = 'From=/[\x00-\x08\x0b\x0c\x0e-\x1f\x7f-\xff]/H'
+local from_needs_mime = 'From=/[\\x00-\\x08\\x0b\\x0c\\x0e-\\x1f\\x7f-\\xff]/H'
 -- Final rule
 reconf['FROM_EXCESS_BASE64'] = string.format('%s & !%s', from_encoded_b64, from_needs_mime)
 
 
 -- Detect forged outlook headers
 -- OE X-Mailer header
-local oe_mua = 'X-Mailer=/\bOutlook Express [456]\./H'
+local oe_mua = 'X-Mailer=/\\bOutlook Express [456]\\./H'
 -- OE Message ID format
-local oe_msgid_1 = 'Message-Id=/^[A-Za-z0-9-]{7}[A-Za-z0-9]{20}\@hotmail\.com$/mH'
-local oe_msgid_2 = 'Message-Id=/^(?:[0-9a-f]{8}|[0-9a-f]{12})\$[0-9a-f]{8}\$[0-9a-f]{8}\@\S+$/mH'
+local oe_msgid_1 = 'Message-Id=/^[A-Za-z0-9-]{7}[A-Za-z0-9]{20}\\@hotmail\\.com$/mH'
+local oe_msgid_2 = 'Message-Id=/^(?:[0-9a-f]{8}|[0-9a-f]{12})\\$[0-9a-f]{8}\\$[0-9a-f]{8}\\@\\S+$/mH'
 -- EZLM remail of message
-local lyris_ezml_remailer = 'List-Unsubscribe=/<mailto:(?:leave-\S+|\S+-unsubscribe)\@\S+>$/H'
+local lyris_ezml_remailer = 'List-Unsubscribe=/<mailto:(?:leave-\\S+|\\S+-unsubscribe)\\@\\S+>$/H'
 -- Header of wacky sendmail
-local wacky_sendmail_version = 'Received=/\/CWT\/DCE\)/H'
+local wacky_sendmail_version = 'Received=/\\/CWT\\/DCE\\)/H'
 -- Iplanet received header
 local iplanet_messaging_server = 'Received=/iPlanet Messaging Server/H'
 -- Hotmail message id
-local hotmail_baydav_msgid = 'Message-Id=/^BAY\d+-DAV\d+[A-Z0-9]{25}\@phx\.gbl$/mH'
+local hotmail_baydav_msgid = 'Message-Id=/^BAY\\d+-DAV\\d+[A-Z0-9]{25}\\@phx\\.gbl$/mH'
 -- Sympatico message id
-local sympatico_msgid = 'Message-Id=/^BAYC\d+-PASMTP\d+[A-Z0-9]{25}\@CEZ\.ICE$/mH'
+local sympatico_msgid = 'Message-Id=/^BAYC\\d+-PASMTP\\d+[A-Z0-9]{25}\\@CEZ\\.ICE$/mH'
 -- Message id seems to be forged
 local unusable_msgid = string.format('(%s | %s | %s | %s | %s)', 
 					lyris_ezml_remailer, wacky_sendmail_version, iplanet_messaging_server, hotmail_baydav_msgid, sympatico_msgid)
 -- Outlook express data seems to be forged
 local forged_oe = string.format('(%s & !%s & !%s & !%s)', oe_mua, oe_msgid_1, oe_msgid_2, unusable_msgid)
 -- Outlook specific headers
-local outlook_dollars_mua = 'X-Mailer=/^Microsoft Outlook(?: 8| CWS, Build 9|, Build 10)\./H'
-local outlook_dollars_other = 'Message-Id=/^\!\~\!/mH'
-local vista_msgid = 'Message-Id=/^[A-F\d]{32}\@\S+$/mH'
-local ims_msgid = 'Message-Id=/^[A-F\d]{36,40}\@\S+$/mH'
+local outlook_dollars_mua = 'X-Mailer=/^Microsoft Outlook(?: 8| CWS, Build 9|, Build 10)\\./H'
+local outlook_dollars_other = 'Message-Id=/^\\!\\~\\!/mH'
+local vista_msgid = 'Message-Id=/^[A-F\\d]{32}\\@\\S+$/mH'
+local ims_msgid = 'Message-Id=/^[A-F\\d]{36,40}\\@\\S+$/mH'
 -- Forged outlook headers
 local forged_outlook_dollars = string.format('(%s & !%s & !%s & !%s & !%s & !%s',
 					outlook_dollars_mua, oe_msgid_2, outlook_dollars_other, vista_msgid, ims_msgid, unusable_msgid)
@@ -127,8 +129,8 @@ reconf['FORGED_OUTLOOK_TAGS'] = string.format('!%s & %s & %s & !(%s & %s & %s &
 					tag_exists_meta, tag_exists_body)
 
 -- Message id validity
-local sane_msgid = 'Message-Id=/^[^<>\\ \t\n\r\x0b\x80-\xff]+\@[^<>\\ \t\n\r\x0b\x80-\xff]+\s*$/mH'
-local msgid_comment = 'Message-Id=/\(.*\)/mH'
+local sane_msgid = 'Message-Id=/^[^<>\\\\ \\t\\n\\r\\x0b\\x80-\\xff]+\\@[^<>\\\\ \\t\\n\\r\\x0b\\x80-\\xff]+\\s*$/mH'
+local msgid_comment = 'Message-Id=/\\(.*\\)/mH'
 reconf['INVALID_MSGID'] = string.format('(%s) & !((%s) | (%s))', has_mid, sane_msgid, msgid_comment)
 
 
@@ -142,60 +144,60 @@ reconf['MIME_HEADER_CTYPE_ONLY'] = string.format('!(%s) & !(%s) & (%s) & !(%s) &
 
 
 -- Forged Exchange messages
-local msgid_dollars_ok = 'Message-Id=/[0-9a-f]{4,}\$[0-9a-f]{4,}\$[0-9a-f]{4,}\@\S+/Hr'
+local msgid_dollars_ok = 'Message-Id=/[0-9a-f]{4,}\\$[0-9a-f]{4,}\\$[0-9a-f]{4,}\\@\\S+/Hr'
 local mimeole_ms = 'X-MimeOLE=/^Produced By Microsoft MimeOLE/H'
 local rcvd_with_exchange = 'Received=/with Microsoft Exchange Server/H'
 reconf['R_MUA_EXCHANGE'] = 'X-MimeOLE=/Microsoft Exchange/H'
 reconf['RATWARE_MS_HASH'] = string.format('(%s) & !(%s) & !(%s)', msgid_dollars_ok, mimeole_ms, rcvd_with_exchange)
 
 -- Reply-type in content-type
-reconf['STOX_REPLY_TYPE'] = 'Content-Type=/text\/plain; .* reply-type=original/H'
+reconf['STOX_REPLY_TYPE'] = 'Content-Type=/text\\/plain; .* reply-type=original/H'
 
 -- Fake Verizon headers
-local fhelo_verizon = 'X-Spam-Relays-Untrusted=/^[^\]]+ helo=[^ ]+verizon\.net /iH'
-local fhost_verizon = 'X-Spam-Relays-Untrusted=/^[^\]]+ rdns=[^ ]+verizon\.net /iH'
+local fhelo_verizon = 'X-Spam-Relays-Untrusted=/^[^\\]]+ helo=[^ ]+verizon\\.net /iH'
+local fhost_verizon = 'X-Spam-Relays-Untrusted=/^[^\\]]+ rdns=[^ ]+verizon\\.net /iH'
 reconf['FM_FAKE_HELO_VERIZON'] = string.format('(%s) & !(%s)', fhelo_verizon, fhost_verizon)
 
 -- Forged yahoo msgid
-local at_yahoo_msgid = 'Message-Id=/\@yahoo\.com\b/iH'
-local at_yahoogroups_msgid = 'Message-Id=/\@yahoogroups\.com\b/iH'
-local from_yahoo_com = 'From=/\@yahoo\.com\b/iH'
+local at_yahoo_msgid = 'Message-Id=/\\@yahoo\\.com\\b/iH'
+local at_yahoogroups_msgid = 'Message-Id=/\\@yahoogroups\\.com\\b/iH'
+local from_yahoo_com = 'From=/\\@yahoo\\.com\\b/iH'
 reconf['FORGED_MSGID_YAHOO'] = string.format('(%s) & !(%s)', at_yahoo_msgid, from_yahoo_com)
-local r_from_yahoo_groups = 'From=/rambler.ru\@returns\.groups\.yahoo\.com\b/iH'
-local r_from_yahoo_groups_ro = 'From=/ro.ru\@returns\.groups\.yahoo\.com\b/iH'
-reconf['FROM_CBR'] = 'From=/\@cbr\.ru\b/iH'
-reconf['FROM_CSHOP'] = 'From=/\@cshop\.ru\b/iH'
-reconf['FROM_MIRHOSTING'] = 'From=/\@mirhosting\.com\b/iH'
-reconf['FROM_PASSIFLORA'] = 'From=/\@passiflora\.ru\b/iH'
-reconf['FROM_WORLDBANK'] = 'From=/\@worldbank\.org\b/iH'
+local r_from_yahoo_groups = 'From=/rambler.ru\\@returns\\.groups\\.yahoo\\.com\\b/iH'
+local r_from_yahoo_groups_ro = 'From=/ro.ru\\@returns\\.groups\\.yahoo\\.com\\b/iH'
+reconf['FROM_CBR'] = 'From=/\\@cbr\\.ru\\b/iH'
+reconf['FROM_CSHOP'] = 'From=/\\@cshop\\.ru\\b/iH'
+reconf['FROM_MIRHOSTING'] = 'From=/\\@mirhosting\\.com\\b/iH'
+reconf['FROM_PASSIFLORA'] = 'From=/\\@passiflora\\.ru\\b/iH'
+reconf['FROM_WORLDBANK'] = 'From=/\\@worldbank\\.org\\b/iH'
 
 -- Forged The Bat! MUA headers
-local thebat_mua_v1 = 'X-Mailer=/^The Bat! \(v1\./H'
+local thebat_mua_v1 = 'X-Mailer=/^The Bat! \\(v1\\./H'
 local ctype_has_boundary = 'Content-Type=/boundary/iH'
-local bat_boundary = 'Content-Type=/boundary=\"?-{10}/H'
-local mailman_21 = 'X-Mailman-Version=/\d/H'
+local bat_boundary = 'Content-Type=/boundary=\\"?-{10}/H'
+local mailman_21 = 'X-Mailman-Version=/\\d/H'
 reconf['FORGED_MUA_THEBAT_BOUN'] = string.format('(%s) & (%s) & !(%s) & !(%s)', thebat_mua_v1, ctype_has_boundary, bat_boundary, mailman_21)
 
 -- Two received headers with ip addresses
-local double_ip_spam_1 = 'Received=/from \[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\] by \d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3} with/H'
-local double_ip_spam_2 = 'Received=/from\s+\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\s+by\s+\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3};/H'
+local double_ip_spam_1 = 'Received=/from \\[\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\] by \\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3} with/H'
+local double_ip_spam_2 = 'Received=/from\\s+\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\s+by\\s+\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3};/H'
 reconf['RCVD_DOUBLE_IP_SPAM'] = string.format('(%s) | (%s)', double_ip_spam_1, double_ip_spam_2)
 
 -- Quoted reply-to from yahoo (seems to be forged)
-local repto_quote = 'Reply-To=/\".*\"\s*\</H'
-local from_yahoo_com = 'From=/\@yahoo\.com\b/iH'
-local at_yahoo_msgid = 'Message-Id=/\@yahoo\.com\b/iH'
+local repto_quote = 'Reply-To=/\\".*\\"\\s*\\</H'
+local from_yahoo_com = 'From=/\\@yahoo\\.com\\b/iH'
+local at_yahoo_msgid = 'Message-Id=/\\@yahoo\\.com\\b/iH'
 reconf['REPTO_QUOTE_YAHOO'] = string.format('(%s) & ((%s) | (%s))', repto_quote, from_yahoo_com, at_yahoo_msgid)
 
 -- MUA definitions
 local xm_gnus = 'X-Mailer=/^Gnus v/H'
 local xm_msoe5 = 'X-Mailer=/^Microsoft Outlook Express 5/H'
 local xm_msoe6 = 'X-Mailer=/^Microsoft Outlook Express 6/H'
-local xm_mso12 = 'X-Mailer=/^Microsoft Office Outlook 12\.0/H'
+local xm_mso12 = 'X-Mailer=/^Microsoft Office Outlook 12\\.0/H'
 local xm_cgpmapi = 'X-Mailer=/^CommuniGate Pro MAPI Connector/H'
 local xm_moz4 = 'X-Mailer=/^Mozilla 4/H'
 local xm_skyri = 'X-Mailer=/^SKYRiXgreen/H'
-local xm_wwwmail = 'X-Mailer=/^WWW-Mail \d/H'
+local xm_wwwmail = 'X-Mailer=/^WWW-Mail \\d/H'
 local ua_gnus = 'User-Agent=/^Gnus/H'
 local ua_knode = 'User-Agent=/^KNode/H'
 local ua_mutt = 'User-Agent=/^Mutt/H'
@@ -211,6 +213,6 @@ reconf['FAKE_REPLY_C'] = string.format('(%s) & (%s) & (%s) & !(%s)', subj_re, mi
 -- Mime-OLE is needed but absent (e.g. fake Outlook or fake Ecxchange)
 local has_msmail_pri = 'header_exists(X-MSMail-Priority)'
 local has_mimeole = 'header_exists(X-MimeOLE)'
-local has_squirrelmail_in_mailer = 'X-Mailer=/SquirrelMail\b/H'
+local has_squirrelmail_in_mailer = 'X-Mailer=/SquirrelMail\\b/H'
 reconf['MISSING_MIMEOLE'] = string.format('(%s) & !(%s) & !(%s) & !(%s) & !(%s)', has_msmail_pri, has_mimeole, has_squirrelmail_in_mailer, xm_mso12, xm_cgpmapi)
 
diff --git a/conf/lua/regexp/lotto.lua b/conf/lua/regexp/lotto.lua
index a1f7fcbee..372dce16f 100644
--- a/conf/lua/regexp/lotto.lua
+++ b/conf/lua/regexp/lotto.lua
@@ -3,13 +3,13 @@
 local reconf = config['regexp']
 
 local r_lotto_from = 'From=/(?:lottery|News center|congratulation to you|NED INFO|BRITISH NATIONAL HEADQUATERS|MICROSOFT ON LINE SUPPORT TEAM|prize|online notification)/iH'
-local r_lotto_subject = 'Subject=/(?:\xA3\d|pounds?|FINAL NOTIFICATION|FOR YOUR ATTENTION|File in Your Claims?|ATTN|prize|Claims requirement|amount|confirm|your e-mail address won|congratulations)/iH'
-local r_lotto_body = '/(?:won|winning|\xA3\d|pounds?|GBP|LOTTERY|awards|prize)/isrP'
+local r_lotto_subject = 'Subject=/(?:\\xA3\\d|pounds?|FINAL NOTIFICATION|FOR YOUR ATTENTION|File in Your Claims?|ATTN|prize|Claims requirement|amount|confirm|your e-mail address won|congratulations)/iH'
+local r_lotto_body = '/(?:won|winning|\\xA3\\d|pounds?|GBP|LOTTERY|awards|prize)/isrP'
 local kam_lotto1 = '/(e-?mail address (have emerged a winner|has won|attached to (ticket|reference)|was one of the ten winners)|random selection in our computerized email selection system)/isrP'
 local kam_lotto2 = '/((ticket|serial|lucky) number|secret pin ?code|batch number|reference number|promotion date)/isrP'
 local kam_lotto3 = '/(won|claim|cash prize|pounds? sterling)/isrP'
 local kam_lotto4 = '/(claims (officer|agent)|lottery coordinator|fiduciary (officer|agent)|fiduaciary claims)/isrP'
-local kam_lotto5 = '/(freelotto group|Royal Heritage Lottery|UK National (Online)? Lottery|U\.?K\.? Grand Promotions|Lottery Department UK|Euromillion Loteria|Luckyday International Lottery|International Lottery)/isrP'
+local kam_lotto5 = '/(freelotto group|Royal Heritage Lottery|UK National (Online)? Lottery|U\\.?K\\.? Grand Promotions|Lottery Department UK|Euromillion Loteria|Luckyday International Lottery|International Lottery)/isrP'
 local kam_lotto6 = '/(Dear Lucky Winner|Winning Notification|Attention:Winner|Dear Winner)/isrP'
 local kam_lotto7 = 'Subject=/(Your Lucky Day|(Attention:|ONLINE) WINNER)/iH'
 reconf['R_LOTTO'] = string.format('((%s) | (%s) | (%s)) & regexp_match_number(3, (%s), (%s), (%s), (%s),  (%s), (%s), (%s), (%s), (%s))', reconf['R_UNDISC_RCPT'], reconf['R_BAD_CTE_7BIT'], reconf['R_NO_SPACE_IN_FROM'], r_lotto_from, r_lotto_subject, r_lotto_body, kam_lotto1, kam_lotto2, kam_lotto3, kam_lotto4, kam_lotto5, kam_lotto6)
diff --git a/conf/lua/rspamd.lua b/conf/lua/rspamd.lua
index 0b64059e6..f546c6189 100644
--- a/conf/lua/rspamd.lua
+++ b/conf/lua/rspamd.lua
@@ -3,9 +3,9 @@
 config['regexp'] = {}
 
 dofile('regexp/headers.lua')
---dofile('regexp/lotto.lua')
---dofile('regexp/fraud.lua')
---dofile('regexp/drugs.lua')
+dofile('regexp/lotto.lua')
+dofile('regexp/fraud.lua')
+dofile('regexp/drugs.lua')
 
 local reconf = config['regexp']
 
@@ -17,11 +17,10 @@ reconf['HTML_SHORT_LINK_IMG_2'] = string.format('(%s) & (%s)', html_length_1024_
 
 -- Local rules
 local r_bgcolor = '/BGCOLOR=/iM'
-local r_font_color = '/font color=[\"\']?\#FFFFFF[\"\']?/iM'
+local r_font_color = '/font color=[\\"\']?\\#FFFFFF[\\"\']?/iM'
 reconf['R_WHITE_ON_WHITE'] = string.format('(!(%s) & (%s))', r_bgcolor, r_font_color)
-reconf['R_NO_SPACE_IN_FROM'] = 'From=/\S<[-\w\.]+\@[-\w\.]+>/X'
-reconf['R_FLASH_REDIR_IMGSHACK'] = '/^(?:http:\/\/)?img\d{1,5}\.imageshack\.us\/\S+\.swf/U'
-local r_rcvd_from_valuehost = 'Received=/\sb0\.valuehost\.ru/H'
-local r_cyr_phone = '/8 \(\xD799\)/P'
+reconf['R_FLASH_REDIR_IMGSHACK'] = '/^(?:http:\\/\\/)?img\\d{1,5}\\.imageshack\\.us\\/\\S+\\.swf/U'
+local r_rcvd_from_valuehost = 'Received=/\\sb0\\.valuehost\\.ru/H'
+local r_cyr_phone = '/8 \\(\\xD799\\)/P'
 reconf['R_SPAM_FROM_VALUEHOST'] = string.format('(%s) & (%s)', r_rcvd_from_valuehost, r_cyr_phone)