substr() and preg_match()

[hamza84]

I can't understand how to use either of these functions in PHP. Bother to help anybody?

[ahmed]

whatchya trying to do exactly? can you be more specific?

http://www.php.net/preg_match
http://www.php.net/substr

[hamza84]

I actually understood the substr function. I'm trying to use preg_match() for checking an email format.

[ahmed]

<?php

$email = "JohnSmith@Site.com";

if ( !preg_match("/^\w(?:\w|-|\.(?!\.|@))*@\w(?:\w|-|\.(?!\.))*\.\w{2,3}/", $email ) )
echo 'E-mail is invalid!';

?>I got the regex pattern off a site i googled up, I'm too dumb to write my own, lol..

[MTsoul]

those kind of things scares me..

[hamza84]

haha! well, mind explaining it a bit ahmed?

[Marz]

He got it off a site...

Basically it's a pattern of symbols :

("/^w(?:w|-|.(?!.|@))*@w(?:w|-|.(?!.))*.w{2,3}/

Well Duh... But the symbols can mean different things... The ? marks with a : next to it I believe are conditional statments set inside of a list of patterns..I know that the w represents an escape sequence that draws forth from the current locale computer's character map.

But... Most of the othger symbols draw a blank for me.. And I'm not quite sure I want to look it up to figure it out right now ;)

[hamza84]

I wish things were more clear

[Jubba]

well they are called regular expressions and they are a bit difficult to understand at first.... here is a link to a really good tutorial about using them...
http://www.tote-taste.de/X-Project/regex/index.php

[hamza84]

hey thanks jubba! I got more than I needed. Ain't that some christmas present eh? :D

[Marz]

Hot ****... Pretty good link there Vash :) I knew some commands but now I know em all! :D

"/^[-_a-z0-9]+(\.[-_a-z0-9]+)*@[-a-z0-9]+(\.[-a-z0-9]+)*\.[a-z]{2,6}$/i"


There ya go :D That's great!