Give proper backslash escaping in examples for preg_quote (Travis reported)

brettz9 · brettz9 · commit 7e21b2765ea8 · 2014-01-15T08:54:18.000+08:00
diff --git a/functions/pcre/preg_quote.js b/functions/pcre/preg_quote.js
@@ -6,10 +6,10 @@ function preg_quote(str, delimiter) {
   // +   bugfixed by: Onno Marsman
   // +   improved by: Brett Zamir (http://brett-zamir.me)
   // *     example 1: preg_quote("$40");
-  // *     returns 1: '\$40'
+  // *     returns 1: '\\$40'
   // *     example 2: preg_quote("*RRRING* Hello?");
-  // *     returns 2: '\*RRRING\* Hello\?'
+  // *     returns 2: '\\*RRRING\\* Hello\\?'
   // *     example 3: preg_quote("\\.+*?[^]$(){}=!<>|:");
-  // *     returns 3: '\\\.\+\*\?\[\^\]\$\(\)\{\}\=\!\<\>\|\:'
+  // *     returns 3: '\\\\\\.\\+\\*\\?\\[\\^\\]\\$\\(\\)\\{\\}\\=\\!\\<\\>\\|\\:'
   return (str + '').replace(new RegExp('[.\\\\+*?\\[\\^\\]$(){}=!<>|:\\' + (delimiter || '') + '-]', 'g'), '\\$&');
 }
