mysql replace example

Example 1: mysql replace text

UPDATE
    table_name
SET
    column_name = REPLACE(column_name, 'text to find', 'text to replace with')
WHERE
    column_name LIKE '%text to find%';

Example 2: mysql regex replace

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

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

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