How to add a smiley face to a regular expression?

Question

PHP

if(preg_match('/^-Новое-обьявление-([0-9]+)-$/', $account->step, $step))

The text itself looks like this: SMILEY My ads (the site just doesn't show smiles)
How can I add a smiley to a regular expression?

Answer 1

Website - choose the one you like, copy and paste into the code