preg_replace 正则替换
最后更新于:2022-04-02 02:29:31
[TOC]
## 替换单个
```
$res = preg_replace("/abc/","ab-","abcdec");
print_r($res); // ab-dec
```
## 替换多个
```
$res1 = preg_replace(["/abc/","/dec/"],["ab-","de-"],"abcdec");
print_r($res1); // ab-de-
```
## 用匹配的值替换
```
$res = preg_replace("/(ab)c/",'--${1}--',"cabc");
print_r($res); // c--ab--
```
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