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SQL Functions
String Functions
regexp
REGEXP_REPLACE

regexp_replace

description

Syntax

VARCHAR regexp_replace(VARCHAR str, VARCHAR pattern, VARCHAR repl)

Regular matching of STR strings, replacing the part hitting pattern with repl

Character set matching requires the use of Unicode standard character classes. For example, to match Chinese, use \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