Strings Php

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  4. A regular expression for e-mail string checking
$email = "l@b.ca"; 
echo preg_match("/^([a-zA-Z0-9])+([.a-zA-Z0-9_-])*@([a-zA-Z0-9_-])+.(.[a-zA-Z0-9_-]+)+[a-zA-Z0-9_-]$/",$email); //Would return 1 (true). 
echo ""; 
$bademail = "l.ca"; 
echo preg_match("/^([a-zA-Z0-9])+([.a-zA-Z0-9_-])*@([a-zA-Z0-9_-])+.(.[a-zA-Z0-9_-]+)+[a-zA-Z0-9_-]$/",$bademail); //Would return 0 (false). 
?>