上面正则表达式中preg_match这个是什么意思？

Question

<?php
	header("Content-type: text/html; charset=utf-8");//设置编码
	$zz = '/\w+@([a-zA-Z0-9-]+.){1,2}(com|cn|org|gov.cn|net|edu.cn)/';
	$string1 = "k53981@qq.com";
	if (preg_match($zz, $string1, $matches)) {
	    echo '匹配到了，结果为：';
	    var_dump($matches);
	} else {
	    echo '没有匹配到';
	}
?>

Answer 1

What does preg_match mean in the regular expression above? -PHP Chinese website Q&A-What does preg_match mean in the above regular expression? -PHP Chinese website Q&A

Please watch and learn.

Answer 2

执行一个正则表达式匹配