Remove irregular characters

BillyConnite · 04-05-2011, 05:56 AM

Hi all,

Just a small simple snippet to return whether or not irregular characters (anything not on your keyboard) have been used in a string.
????: NamePros.com http://www.namepros.com/code/709703-remove-irregular-characters.html

Very useful for rejecting international characters (Generally from bots, SPAM!). I use it to reduce spam for the registration process in my forum hosting system.

Code:

	function isRegular($string)
	{
		return !preg_match('/[^A-Za-z0-9\s~`!@#$%^&*()-_=+{}:";\'<>?,.\/]/', $string);
	}

Hope someone finds it useful... Thank god for regular expressions.

If there is a more optimized way to match regular characters only, i'd love to know!

-Rhett.

BillyConnite · 04-07-2011, 10:25 PM

Updated the match, forgot to include to allow spaces

04-05-2011, 05:56 AM	THREAD STARTER #1 (permalink)
BillyConnite Join Date: Jul 2005 Location: Coffs H, Australia Posts: 3,456	Remove irregular characters Hi all, Just a small simple snippet to return whether or not irregular characters (anything not on your keyboard) have been used in a string. ????: NamePros.com http://www.namepros.com/code/709703-remove-irregular-characters.html Very useful for rejecting international characters (Generally from bots, SPAM!). I use it to reduce spam for the registration process in my forum hosting system. Code: function isRegular($string) { return !preg_match('/[^A-Za-z0-9\s~`!@#$%^&()-_=+{}:";\'<>?,.\/]/', $string); } Hope someone finds it useful... Thank god for regular expressions. If there is a more optimized way to match regular characters only, i'd love to know! -Rhett. __________________ Free Forums / GoDaddy Coupon Codes (NEW DOMAIN!) / Free Arcade Script / <?='Your computer is '.(1?fine:broken).'.'?>* Last edited by BillyConnite; 04-07-2011 at 10:25 PM.

04-07-2011, 10:25 PM	THREAD STARTER #2 (permalink)
BillyConnite Join Date: Jul 2005 Location: Coffs H, Australia Posts: 3,456	Updated the match, forgot to include to allow spaces __________________ Free Forums / GoDaddy Coupon Codes (NEW DOMAIN!) / Free Arcade Script / <?='Your computer is '.(1?fine:broken).'.'?>

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