diff options
| -rw-r--r-- | system/helpers/string_helper.php | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/system/helpers/string_helper.php b/system/helpers/string_helper.php index 5860e15fb..28e6ab15f 100644 --- a/system/helpers/string_helper.php +++ b/system/helpers/string_helper.php @@ -253,7 +253,7 @@ if ( ! function_exists('increment_string')) */ function increment_string($str, $separator = '_', $first = 1) { - preg_match('/(.+)'.$separator.'([0-9]+)$/', $str, $match); + preg_match('/(.+)' . preg_quote($separator) . '([0-9]+)$/', $str, $match); return isset($match[2]) ? $match[1].$separator.($match[2] + 1) : $str.$separator.$first; } } |