Validate Email Address?

[ziycon]

How can i do a check to make sure an email address entered is valid?

[hoopy]

Regex is what you need. Mine is poor but this is one I have used in the past:

if(preg_match("/^([a-zA-Z0-9])+([a-zA-Z0-9\._-])*@([a-zA-Z0-9_-])+([a-zA-Z0-9\._-]+)+$/", $email))
  echo ("Valid");
else 
  echo ("Bad Email.");

Some regex expert may not agree though! Its a start anyway.

Cheers.

[ziycon]

ok, em.. what does it do?

[Dormilich]

Some regex expert may not agree though! Its a start anyway.

just out of interest, why are you capturing the character classes (doesn't make sense to me)?

I'm using this one (just another RegEx):

/^[\w.%+\-]+@[[:alnum:].\-]+\.[a-z]{2,4}$/i

ok, em.. what does it do?

/^([a-zA-Z0-9])+([a-zA-Z0-9\._-])*@([a-zA-Z0-9_-])+([a-zA-Z0-9\._-]+)+$/

/^ from the beginning
$/ to the end
[a-zA-Z0-9] look for any of those characters
+ at least once occurring
* zero or more occurring
() remember the captured characters