DELIMITER $$ CREATE FUNCTION `regex_replace`(pattern VARCHAR(1000),replacement VARCHAR(1000),original VARCHAR(1000)) RETURNS VARCHAR(1000) DETERMINISTIC BEGIN DECLARE temp VARCHAR(1000); DECLARE ch VARCHAR(1); DECLARE i INT; SET i = 1; SET temp = ''; IF original REGEXP pattern THEN loop_label: LOOP IF i>CHAR_LENGTH(original) THEN LEAVE loop_label; END IF; SET ch = SUBSTRING(original,i,1); IF NOT ch REGEXP pattern THEN SET temp = CONCAT(temp,ch); ELSE SET temp = CONCAT(temp,replacement); END IF; SET i=i+1; END LOOP; ELSE SET temp = original; END IF; RETURN temp; END$$ DELIMITER ;
MySQL正则替换函数
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转载自sheng.iteye.com/blog/2376063
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