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ljcarsenal

请教一个 js 正则的问题?

  •  
  •   ljcarsenal · Jan 17, 2016 · 2771 views
    This topic created in 3849 days ago, the information mentioned may be changed or developed.

    现在有类似/:wx/:dx/:am/:am/:ss/:tx/:ck/:fd/:kbz/:bin这样的字符串,需要把每个以 /:开头的后面连着字母的字符串提取出来,需要怎么做?

    var str = "/:wx/:dx/:am/:am/:ss/:tx/:ck/:fd/:kbz/:bin"
    var pat1 = /(\/:[a-zA-Z]+)+/g;
    var pat2 = /(\/:[a-zA-Z]+)+/
    pat1.exec(str)
    pat2.exec(str)

    都只能取一个,我现在需要把所有的都取出来,应该怎么做?

    8 replies    2016-01-18 11:23:42 +08:00
    malcolmyu
        1
    malcolmyu  
       Jan 17, 2016   ❤️ 1
    str.match(/(\/:[a-zA-Z]+)/g)
    FrankFang128
        2
    FrankFang128  
       Jan 17, 2016
    exec 是一个一个取的,除非你用 while
    ljcarsenal
        3
    ljcarsenal  
    OP
       Jan 17, 2016
    @malcolmyu 可行,多谢
    @FrankFang128 按 1 楼的搞定了,多谢
    ericshine
        4
    ericshine  
       Jan 17, 2016
    直接用 split 不就好了。
    surgit
        5
    surgit  
       Jan 17, 2016
    split('/:') 最好。
    tinyhill
        6
    tinyhill  
       Jan 17, 2016
    '/:wx/:dx/:am/:am/:ss/:tx/:ck/:fd/:kbz/:bin'.match(/(\:[a-z]+)/g)
    master13
        7
    master13  
       Jan 18, 2016
    - -明显 split ……除非是故意想学习正则表达式,怎么会想到用这么复杂的办法……
    ljcarsenal
        8
    ljcarsenal  
    OP
       Jan 18, 2016
    @master13 这些字符串是一个个表情,有可能表情后面直接跟着文字, split 文字也会跟过来
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