谁能帮我详细讲一下这个正则表达式:"(\\d+-)?(\\d{4}-?\\d{7}|\\d{3}-?\\d{8}|^\\d{7,8})(-\\d+)?"在代码里面用来匹配手机号码的,没怎么看懂,刚百度学习了下正则表达式,最基本的东西已经有所了解,不要
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/04 22:35:32
![谁能帮我详细讲一下这个正则表达式:](/uploads/image/z/14419910-38-0.jpg?t=%E8%B0%81%E8%83%BD%E5%B8%AE%E6%88%91%E8%AF%A6%E7%BB%86%E8%AE%B2%E4%B8%80%E4%B8%8B%E8%BF%99%E4%B8%AA%E6%AD%A3%E5%88%99%E8%A1%A8%E8%BE%BE%E5%BC%8F%EF%BC%9A%22%28%5C%5Cd%2B-%29%3F%28%5C%5Cd%7B4%7D-%3F%5C%5Cd%7B7%7D%7C%5C%5Cd%7B3%7D-%3F%5C%5Cd%7B8%7D%7C%5E%5C%5Cd%7B7%2C8%7D%29%28-%5C%5Cd%2B%29%3F%22%E5%9C%A8%E4%BB%A3%E7%A0%81%E9%87%8C%E9%9D%A2%E7%94%A8%E6%9D%A5%E5%8C%B9%E9%85%8D%E6%89%8B%E6%9C%BA%E5%8F%B7%E7%A0%81%E7%9A%84%2C%E6%B2%A1%E6%80%8E%E4%B9%88%E7%9C%8B%E6%87%82%2C%E5%88%9A%E7%99%BE%E5%BA%A6%E5%AD%A6%E4%B9%A0%E4%BA%86%E4%B8%8B%E6%AD%A3%E5%88%99%E8%A1%A8%E8%BE%BE%E5%BC%8F%2C%E6%9C%80%E5%9F%BA%E6%9C%AC%E7%9A%84%E4%B8%9C%E8%A5%BF%E5%B7%B2%E7%BB%8F%E6%9C%89%E6%89%80%E4%BA%86%E8%A7%A3%2C%E4%B8%8D%E8%A6%81)
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