mysql regexp replace

Tired Turkey answered on April 1, 2020 Popularity 9/10 Helpfulness 4/10

answer mysql regexp replace

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mysql regexp replace

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WITH t AS (SELECT 'aaa <b>bbb</b> ccc' AS teststring FROM dual)

SELECT
  teststring,
  regexp_replace(teststring, '<.+>') AS reg1,
  regexp_replace(teststring, '<.*>') AS reg2,
  regexp_replace(teststring, '<.*?>') AS reg3
FROM t


TESTSTRING             REG1        REG2          REG3
aaa <b>bbb</b> ccc     aaa ccc     aaa ccc       aaa bbb ccc

Popularity 9/10 Helpfulness 4/10 Language sql

Source: stackoverflow.com

Tags: sql

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Contributed on Apr 20 2021

Tired Turkey

0 Answers Avg Quality 2/10

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mysql regex replace

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REGEXP_REPLACE(expression, pattern, replacement[, position[, occurrence[, match_type]]])

Example 1 - remove all "-" characters
SELECT REGEXP_REPLACE( fieldname, '-', '' ) AS newfieldname FROM tablename

Popularity 10/10 Helpfulness 5/10 Language sql

Source: database.guide

Tags: mysql mysq

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Contributed on Nov 06 2020

Yoshkinawa

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mysql replace regex

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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 ;

Popularity 10/10 Helpfulness 2/10 Language sql

Source: stackoverflow.com

Tags: mysql mysq

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Contributed on Apr 01 2020

Impossible Iguana

0 Answers Avg Quality 2/10

mysql regexp replace

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