Answers for "find special characters from string php"

determine special characters in php

<?php

$string = 'foo';

if (preg_match('/[\'^£$%&*()}{@#~?><>,|=_+¬-]/', $string))
{
    // one or more of the 'special characters' found in $string
}

special characters in php

function removeSpecialChar($string) 
		{
			$string = strtolower($string);
			$string = preg_replace('/[^\da-z ]/i', '', $string);// Removes special chars.
			$string = str_replace(' ', '-', $string); // Replaces all spaces with underscore.
			return strtolower($string);
		}