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重学前端(9)正则还真要多练

 4 years ago
source link: https://juejin.im/post/5cf72774e51d45108b2cae33
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正则表达式简介 什么是正则表达式 正则表达式:用于匹配规律规则的表达式,正则表达式最初是科学家对人类神经系统的工作原理的早期研究,现在在编程语言中有广泛的应用。正则表通常被用来检索、替换那些符合某个模式(规则)的文本。 正则表达式是对字符串操作的一种逻辑公式,

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