validate_custom

Used when a custom regular expression is needed. Searches the value for a match to the regular expression given in pattern.

Located at helpers\validation_helper.php

Parameters
`mixed`	`$value`	The value being checked	#
`string`	`$pattern`	The pattern to search for, as a string	#

Returns
`mixed`	`1` if the pattern matches given value, `0` if it does not, or `FALSE` if an error occurred.