MySql 查询字符串里的身份证号码 - V2EX
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wudixiaomianyang
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MySql 查询字符串里的身份证号码

  •  1
     
  •   wudixiaomianyang 2019-01-23 18:16:47 +08:00 4206 次点击
    这是一个创建于 2525 天前的主题,其中的信息可能已经有所发展或是发生改变。

    现在数据库有个字段存的值长这样: "BALABALA 张三的身份证号是 123456789123456789", 需要把这个字段里的身份证号码提出来,问下大佬们有没有什么思路。小弟感激不尽啦

    3 条回复    2019-01-24 06:53:48 +08:00
    mayorbryant
        1
    mayorbryant  
       2019-01-23 18:38:37 +08:00
    SELECT RIGHT(field, 18) AS id_card_no FROM `one_table`

    SELECT SUBSTRING_INDEX(field, '身份证号是 ', -1) AS id_card_no FROM `one_table`

    不推荐这种操作,如果可以的话放在 SELECT 之后处理
    CheungChingYin
        2
    CheungChingYin  
       2019-01-23 18:40:29 +08:00 via Android
    先取出来,然后用正则匹配 18 位数字应该可以
    umbrellakkk
        3
    umbrellakkk  
       2019-01-24 06:53:48 +08:00
    不好办,身份证的最后一位有可能是 x。不能用数字匹配。
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