Fix for #979

diff --git a/src/jquery/jquery.js b/src/jquery/jquery.js
index c309428ead7d15539bad9dcd9f2c9d712edf2473..81b5b64e7f488b08492c4444d87493fd7cce810d 100644 (file)
--- a/src/jquery/jquery.js
+++ b/src/jquery/jquery.js
@@ -1313,6 +1313,8 @@ jQuery.extend({
                // internal only, use is(".class")
                has: function( t, c ) {
                        t = t.className || t;
+                       // escape regex characters
+                       c = c.replace(/([\.\\\+\*\?\[\^\]\$\(\)\{\}\=\!\<\>\|\:])/g, "\\$1");
                        return t && new RegExp("(^|\\s)" + c + "(\\s|$)").test( t );
                }
        },