Correct regular expressions

Previously the regex was only matching on single characters. Meaning that file names such as ":+1:.txt" where possible while ":+1:" alone never was. This check apparently never worked as expected.

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/private/files/view.php b/lib/private/files/view.php
index cb3c05d2bca..1a6be73d5bb 100644
--- a/lib/private/files/view.php
+++ b/lib/private/files/view.php
@@ -1656,11 +1656,11 @@ class View {
 		}
 
 		// verify database - e.g. mysql only 3-byte chars
-		if (preg_match('%^(?:
+		if (preg_match('%(?:
       \xF0[\x90-\xBF][\x80-\xBF]{2}      # planes 1-3
     | [\xF1-\xF3][\x80-\xBF]{3}          # planes 4-15
     | \xF4[\x80-\x8F][\x80-\xBF]{2}      # plane 16
-)*$%xs', $fileName)) {
+)%xs', $fileName)) {
 			throw new InvalidPathException($l10n->t('4-byte characters are not supported in file names'));
 		}