Quick and easy way to validate email strings. I picked this bit of code up from somewhere, not sure where….Think it was the Zend site. Credit goes to the original unknown author, not me.
<?php
function is_email($address) {
$rc1 = (ereg(’^[-!#$%&'*+./0-9=?A-Z^_`a-z{|}~]+’.
‘@’.
‘[-!#$%&'*+\/0-9=?A-Z^_`a-z{|}~]+.’.
‘[-!#$%&'*+\./0-9=?A-Z^_`a-z{|}~]+$’,
$address));
$rc2 = (preg_match(’/.+.ww+$/’,$address));
return ($rc1 && $rc2);
}
?>

In Opera, go to Tools –> Preferences, and click on the search tab. You should “Add a new search engine” and fill in the blanks. Here is what I use:.

Name: PHP
Keyword: p
Address: http://www.php.net/search.php
Query string: pattern=%s&show=quickref

You have to check “Use POST” to be able to type in a query string.
Click OK, [...]