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ameenross/check_regex.php

Forked from smichaelsen/check_regex.php
Last active April 29, 2021 10:34
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PHP: Check if string is valid regular expression
Raw
check_regex.php
<?php
/**
* @param string $regex
* @return bool
*/
function isValidRegularExpression($regex) {
set_error_handler(function() {}, E_WARNING);
$valid = preg_match($regex, null) !== FALSE;
restore_error_handler();
return $valid;
}
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