regexp_replace
description
Syntax
VARCHAR regexp_replace(VARCHAR str, VARCHAR pattern, VARCHAR repl)
对字符串 str 进行正则匹配, 将命中 pattern 的部分使用 repl 来进行替换
字符集匹配需要使用 Unicode 标准字符类型。例如，匹配中文请使用 \p{Han}。
example
mysql> SELECT regexp_replace('a b c', " ", "-");
+-----------------------------------+
| regexp_replace('a b c', ' ', '-') |
+-----------------------------------+
| a-b-c |
+-----------------------------------+
mysql> SELECT regexp_replace('a b c','(b)','<\\1>');
+----------------------------------------+
| regexp_replace('a b c', '(b)', '<\1>') |
+----------------------------------------+
| a <b> c |
+----------------------------------------+
mysql> select regexp_replace('这是一段中文This is a passage in English 1234567', '\\p{Han}+', '123');
+---------------------------------------------------------------------------------------------+
| regexp_replace('这是一段中文This is a passage in English 1234567', '\p{Han}+', '123') |
+---------------------------------------------------------------------------------------------+
| 123This is a passage in English 1234567 |
+---------------------------------------------------------------------------------------------+keywords
REGEXP_REPLACE,REGEXP,REPLACE