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wudixiaomianyang
V2EX  ›  MySQL

MySql 查询字符串里的身份证号码

  •  1
     
  •   wudixiaomianyang · Jan 23, 2019 · 4759 views
    This topic created in 2849 days ago, the information mentioned may be changed or developed.

    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 replies  •  2019-01-24 06:53:48 +08:00
    mayorbryant
    mayorbryant
    Jan 23, 2019
    1
    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
    CheungChingYin
    Jan 23, 2019 via Android
    2
    先取出来,然后用正则匹配 18 位数字应该可以
    umbrellakkk
    umbrellakkk
    Jan 24, 2019
    3
    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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