php 中文以及特殊字符的过滤 - V2EX
wuxiaolin
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php 中文以及特殊字符的过滤

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  •   wuxiaolin Aug 12, 2015 3640 views
    This topic created in 3926 days ago, the information mentioned may be changed or developed.
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    像这种特殊字符,应该怎么来过滤,比如 王←者 ∑天∩下
    像这样的字符,我们怎么过滤呢
    他的组合是随机的
    6 replies    2015-08-12 16:53:22 +08:00
    cute
        1
    cute  
       Aug 12, 2015
    一个一个都过滤了。
    imn1
        2
    imn1  
       Aug 12, 2015
    王←者 ∑天∩下
    你想留下什么?
    [^\u4E00\u9FD5] 替换为空,剩下的就是汉字
    上面只简单说了基本汉字,extA/B/C/D及ASCII都没,当然你要自己举一反三
    MeirLin
        3
    MeirLin  
       Aug 12, 2015
    为何不试试白名单策略?
    jugelizi
        4
    jugelizi  
       Aug 12, 2015
    当然是只匹配字母数字啦
    neoFaster
        5
    neoFaster  
       Aug 12, 2015
    如果只是过滤异形字符,2楼的做法完全ok。
    learnshare
        6
    learnshare  
       Aug 12, 2015
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