正则表达式 $在这里是匹配啥？-灵析社区

![](https://wmprod.oss-cn-shanghai.aliyuncs.com/images/20250103/93b42eae1b513f67e075d0686403750c.png) 测试是可以匹配这些，但是具体 $ 在这的用处没看懂！^！ * * * ![1](https://wmprod.oss-cn-shanghai.aliyuncs.com/images/20250103/e72279cc657b3ae501683c244e068d74.png) ![2](https://wmprod.oss-cn-shanghai.aliyuncs.com/images/20250103/cbb001626c3630ced3f4c803b4024000.png) ![3](https://wmprod.oss-cn-shanghai.aliyuncs.com/images/20250103/ecd599e77add7f22c688c78f5b82b963.png) ![4](https://wmprod.oss-cn-shanghai.aliyuncs.com/images/20250103/15a4fb489d9a0ac8e2e401a99e3a00a5.png) ![5](https://wmprod.oss-cn-shanghai.aliyuncs.com/images/20250103/d3e41560acc7648425f036c40dcd36df.png) * * * 请问有大佬知道不？