CODE EXAMPLE FOR PHP

get email with preg grep php

<?php 
    $string = 'Ruchika < ruchika@example.com >';
    $pattern = '/[a-z0-9_-+.]+@[a-z0-9-]+.([a-z]{2,4})(?:.[a-z]{2})?/i';
    preg_match_all($pattern, $string, $matches);
    var_dump($matches[0]);
?>