1. Characteristics of string types
1. PHP is a weakly typed language, and other data types can generally be directly applied to string function operations.
1: ceaa425dd7c650df95fa3c920c1d3961
$text = '
< /p>
。。。。。。< /p>
test< /p>'; $s="soproxy.appspot.com/...opular";
preg_match_all('/
preg_match('/v=(.*?)&/',$s,$matched);
echo($matched[1]);
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
