< Complete PHP Filter Reference
Definition and Usage
The FILTER_VALIDATE_REGEXP filter validates value against a Perl-compatible regular expression.
- Name: "validate_regexp"
- ID-number: 272
Possible options:
- regexp - specifies the regular expression to validate against
Example
<?php
$string = "Match this string";
var_dump(filter_var($string, FILTER_VALIDATE_REGEXP,
array("options"=>array("regexp"=>"/^M(.*)/"))))
?>
The output of the code will be:
string(17) "Match this string"
< Complete PHP Filter Reference