Warning: Undefined variable $input_string in /in/KLme1 on line 4
Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /in/KLme1 on line 4
It does not match.
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $input_string in /in/KLme1 on line 4
It does not match.