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burnex

请教一个正则表达式

  •  
  •   burnex Sep 10, 2014 2727 views
    This topic created in 4249 days ago, the information mentioned may be changed or developed.
    想匹配 http://avati-img.qiniudn.com/m_374f8180-3895-11e4-90fb-0800274302bb.png 这种网址

    用了这个正则 http:\/\/avati-img.qiniudn.com\/m_[\w\-]+ 匹配不到,麻烦帮忙看一下,谢谢
    5 replies    2014-09-10 17:14:50 +08:00
    ik0r
        1
    ik0r  
       Sep 10, 2014
    在js中试了LZ的正则, 能够匹配到

    /http:\/\/avati-img\.qiniudn\.com\/m_[-\w]+/.test('http://avati-img.qiniudn.com/m_374f8180-3895-11e4-90fb-0800274302bb.png')
    // => true
    happywowwow
        2
    happywowwow  
       Sep 10, 2014
    我其实每次看到文正则的问题 都不知道你们说的是哪里的正则...
    记得不同语言正则规则会有出入... 所以我都看不懂......
    loginv2
        3
    loginv2  
       Sep 10, 2014
    http://avati-img.qiniudn.com/\S+\.(png|gif|jpg|jpeg)
    zyxfsky
        4
    zyxfsky  
       Sep 10, 2014
    可以匹配的啊,只是不包含.png,如果要全部匹配到,你的正则后面加\.png就好
    ```
    http:\/\/avati-img.qiniudn.com\/m_[\w\-]+\.png
    ```
    imn1
        5
    imn1  
       Sep 10, 2014
    我一向写正则都用排除边界法,因为一串字符肯定有个不包含在内的字符作为分割电脑才能识别
    例如这个url是在双引号内的我就会写(http[^"]+)",空白字符分割就写(http[^\s]+)\s
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