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BUGFIX: Replace str_replace with preg_quote

namespaces
Frank Ronny Larsen 2013-12-18 11:32:57 +01:00
parent e893086931
commit ec10ce034e
1 changed files with 1 additions and 1 deletions
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h5p.classes.php
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@ -1464,7 +1464,7 @@ class H5PContentValidator {
// Check if string is according to optional regexp in semantics // Check if string is according to optional regexp in semantics
if (isset($semantics->regexp)) { if (isset($semantics->regexp)) {
// Escaping '/' found in patterns, so that it does not break regexp fencing. // Escaping '/' found in patterns, so that it does not break regexp fencing.
$pattern = '/' . str_replace('/', '\\/', $semantics->regexp->pattern) . '/'; $pattern = '/' . preg_quote($semantics->regexp->pattern, '/') . '/';
$pattern .= isset($semantics->regexp->modifiers) ? $semantics->regexp->modifiers : ''; $pattern .= isset($semantics->regexp->modifiers) ? $semantics->regexp->modifiers : '';
if (preg_match($pattern, $text) === 0) { if (preg_match($pattern, $text) === 0) {
// Note: explicitly ignore return value FALSE, to avoid removing text // Note: explicitly ignore return value FALSE, to avoid removing text