https://yoese.com/tags/expression/ Recent content in Expression on Yoese! https://yoese.com/%3Clink%20or%20path%20of%20image%20for%20opengraph,%20twitter-cards%3E https://yoese.com/%3Clink%20or%20path%20of%20image%20for%20opengraph,%20twitter-cards%3E Hugo -- 0.146.0 en-us Sat, 28 Nov 2020 15:59:45 +0000 https://yoese.com/posts/regular-expression/ Sat, 28 Nov 2020 15:59:45 +0000 https://yoese.com/posts/regular-expression/ <h1 id="正则表达式从入门到放弃">正则表达式从入门到放弃</h1> <p>在编写处理字符串的程序或网页时，经常会有查找符合某些复杂规则的字符串的需要。正则表达式就是用于描述这些规则的工具。换句话说，正则表达式就是记录文本规则的代码。</p>