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mysql 身份证号码判断

ixiaoyang8 2022-05-05 阅读 93
mysql

1.位数判断

LENGTH(d.cjdxzjhm) =15 or LENGTH(d.cjdxzjhm) = 18

2.校验含有中文字符
length表示字节个数,char_length表示字符,一个中文对应3个字节

length(d.cjdxzjhm)<>char_length(d.cjdxzjhm)

3.格式校验,匹配15和18位

d.cjdxzjhm regexp '^[1-9][[:digit:]]{7}((0[[:digit:]])|(1[0-2]))(([0|1|2][[:digit:]])|3[0-1])[[:digit:]]{3}$|^[1-9][[:digit:]]{5}[1-9][[:digit:]]{3}((0[[:digit:]])|(1[0-2]))(([0|1|2][[:digit:]])|3[0-1])[[:digit:]]{3}([0-9]|X)$'

4.判断年份

substr(d.cjdxzjhm,7,4) not between '1900' and '2014' 

5.判断月份

substr(d.cjdxzjhm,11,2) not between '01' and '12' 

6.判断日

substr(d.cjdxzjhm,13,2) not between 1 and DATEDIFF(date_add(concat(substr(d.cjdxzjhm,7,4),substr(d.cjdxzjhm,11,2),'01'),interval 1 month ),concat(substr(d.cjdxzjhm,7,4),substr(d.cjdxzjhm,11,2),'01'))

7.不能包含特殊字符,0表示不包含,1表示包含

instr(d.cjdxzjhm,'*')=0
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