Changeset 3151

Timestamp:

05/16/2016 12:57:32 PM (9 years ago)

Author:

ocean90

Message:

Trac: Escape special characters in regular expressions.

See #1541.

File:

• sites/trunk/wordpress.org/public_html/style/trac/wp-trac.js (modified) (2 diffs)

sites/trunk/wordpress.org/public_html/style/trac/wp-trac.js

@@ -52 +52 @@
     ];
 
+    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions#Using_special_characters
+    function escapeRegExp( string ) {
+        return string.replace( /[.*+?^${}()|[\]\\]/g, '\\$&' );
+    }
+
     wpTrac = {
 
@@ -108 +113 @@
                         }
 
-                        var matchInAttr = new RegExp( '=".*' + match + '.*"' );
+                        var matchInAttr = new RegExp( '=".*' + escapeRegExp( match ) + '.*"' );
                         if ( matchInAttr.test( $comment ) ) {
                             return match;