PHP FILTER_VALIDATE_REGEXP Filter

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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"
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