MySQL string replace

mysql string replace update
mysql string replace regex
mysql substring
mysql replace column value in select
mysql replace wildcard
mysql 5.6 regex replace
mysql replace backslash
mysql trim

I have a column containing urls (id, url):

http://www.example.com/articles/updates/43
http://www.example.com/articles/updates/866
http://www.example.com/articles/updates/323
http://www.example.com/articles/updates/seo-url
http://www.example.com/articles/updates/4?something=test

I'd like to change the word "updates" to "news". Is it possible to do this with a script?


UPDATE your_table
SET your_field = REPLACE(your_field, 'articles/updates/', 'articles/news/')
WHERE your_field LIKE '%articles/updates/%'

Now rows that were like

http://www.example.com/articles/updates/43

will be

http://www.example.com/articles/news/43

http://www.electrictoolbox.com/mysql-find-replace-text/

MySQL string replace, UPDATE your_table SET your_field = REPLACE(your_field, 'articles/updates/', '​articles/news/') WHERE your_field LIKE '%articles/updates/%'. MySQL provides you with a useful string function called REPLACE that allows you to replace a string in a column of a table by a new string. The syntax of the REPLACE function is as follows: REPLACE (str,old_string,new_string); The REPLACE function has three parameters. It replaces the old_string by the new_string in the string


Yes, MySQL has a REPLACE() function:

mysql> SELECT REPLACE('www.mysql.com', 'w', 'Ww');
    -> 'WwWwWw.mysql.com'

http://dev.mysql.com/doc/refman/5.0/en/string-functions.html#function_replace

Note that it's easier if you make that an alias when using SELECT

SELECT REPLACE(string_column, 'search', 'replace') as url....

MySQL REPLACE() Function, Note: This function performs a case-sensitive replacement. Syntax. REPLACE(​string, from_string, new_string). Parameter Values. Parameter, Description. string​  string functions ascii char charindex concat concat with + concat_ws datalength difference format left len lower ltrim nchar patindex quotename replace replicate reverse right rtrim soundex space str stuff substring translate trim unicode upper numeric functions abs acos asin atan atn2 avg ceiling count cos cot degrees exp floor log log10 max


The replace function should work for you.

REPLACE(str,from_str,to_str)

Returns the string str with all occurrences of the string from_str replaced by the string to_str. REPLACE() performs a case-sensitive match when searching for from_str.

MySQL REPLACE String Function: Find & Replace Text, MySQL provides you with a useful string function called REPLACE that allows you to replace a string in a column of a table by a new string. The syntax of the  Otherwise you're stuck with direct string manipulation which is a real pain in MySQL. At that point it'd be easier to write a one-off script to select the fields, manipulation in the client, then write back.


You can simply use replace() function,

with where clause-

update tabelName set columnName=REPLACE(columnName,'from','to') where condition;

without where clause-

update tabelName set columnName=REPLACE(columnName,'from','to');

Note: The above query if for update records directly in table, if you want on select query and the data should not be affected in table then can use the following query-

select REPLACE(columnName,'from','to') as updateRecord;

MySQL 8.0 Reference Manual :: 12.7 String Functions and , and return result. HEX(), Hexadecimal representation of decimal or string value number of times. REPLACE(), Replace occurrences of a specified string. The Replace Function in MySQL returns the original string with new_string replacing the old_string in it. However, this function does not support regular expressions so you cannot replace a string based on a pattern.


In addition to gmaggio's answer if you need to dynamically REPLACE and UPDATE according to another column you can do for example:

UPDATE your_table t1
INNER JOIN other_table t2
ON t1.field_id = t2.field_id
SET t1.your_field = IF(LOCATE('articles/updates/', t1.your_field) > 0, 
REPLACE(t1.your_field, 'articles/updates/', t2.new_folder), t1.your_field) 
WHERE...

In my example the string articles/news/ is stored in other_table t2 and there is no need to use LIKE in the WHERE clause.

MySQL REPLACE() – Replace All Instances of a Substring with , Note: The REPLACE() function performs a case-sensitive replacement. Syntax. REPLACE(string, from_substring, to_substring). Parameter Values. Parameter  The MySQL REPLACE() function enables you to replace all occurrences of a substring with another string. It allows you to do things like, replace all occurrences of one word with another word, etc. This article demonstrates its usage. Syntax. Here’s how the syntax goes: REPLACE(str,from_str,to_str) Where str is the string that contains the substring/s.


MySQL string replace - Querychat, The MySQL REPLACE() function enables you to replace all occurrences of a substring with another string. It allows you to do things like,  Returns the string str with all occurrences of the string from_str replaced by the string to_str. REPLACE() performs a case-sensitive match when searching for from_str. mysql> SELECT REPLACE('www.mysql.com', 'w', 'Ww'); -> 'WwWwWw.mysql.com' This function is multibyte safe. REVERSE(str)


How to use the REPLACE() function in MySQL, Learn how to replace characters in a string in MySQL using the REPLACE and REGEXP_REPLACE function, with step by step example. With MySQL 8.0+ you could use natively REGEXP_REPLACE function. 12.5.2 Regular Expressions: REGEXP_REPLACE(expr, pat, repl[, pos[, occurrence[, match_type]]]) Replaces occurrences in the string expr that match the regular expression specified by the pattern pat with the replacement string repl, and returns the resulting


MySQL - REPLACE Function, The REPLACE() function in MySQL is used to update all occurrences of a substring with another substring, in a given string argument. Update a column value, replacing part of a string in MySQL? MySQL MySQLi Database To update a column value, the update command as well as the replace method can be used.