Error in /lib/classes/class.CmsRoute.php on line 251

[blackrain]

PHP Warning: preg_match(): Unknown modifier 'n' in /lib/classes/class.CmsRoute.php on line 251

I have got this error occurring on my site. I have no idea why this is now an issue but it keeps coming up.

any thoughts.

I am running php 5.6.40 and nothing has changed except this error.

thanks

[blackrain]

This is the related section of the class file.

Code: Select all

238   {
239        $this->_results = null;
240        if( (isset($this->_data['absolute']) && $this->_data['absolute']) || $exact ) {
241        $a = trim($this->_data['term']);
242        $a = trim($a,'/');
243        $b = trim($str);
244        $b = trim($b,'/');
245
246        if( !strcasecmp($a,$b) ) return TRUE;
247            return FALSE;
248        }
249
250       $tmp = array();
251       $res = (bool)preg_match($this->_data['term'],$str,$tmp);
252       if( $res && is_array($tmp) ) $this->_results = $tmp;
253            return $res;
254       }