aspirepigshadow / gittalk

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读linux 私房菜记(2) | Aspirepig #29

Open aspirepigshadow opened 2 years ago

aspirepigshadow commented 2 years ago

https://aspirepig.cn/2017/02/16/du-linux-si-fang-cai-ji-1/

基础正规表示法:

^word    意义:待搜寻的字符串(word)在行首 word$    意义:待搜寻的字符串(word)在行尾    .   代表『一定有一