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JoJoJotarou/mysql_reg.sql

Created June 11, 2021 08:35
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mysql 正则表达式
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mysql_reg.sql
# mysql取字符串中的数值(小数据需要保留)
# 正常写法：(?!\.)\D
# 解释：取出所有非数字的字符，不包括小数点
select regexp_replace('(12.0 -&dd放大21)', '(?!\\\.)\\D', '')
# 结果：12.021
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