USE label_copy_export;; CREATE FUNCTION stripSpecialChars(dirty_string VARCHAR(2048)) RETURNS VARCHAR(2048) CHARSET utf8 BEGIN /** * MySQL function to remove Special characters: \n, \t, \r and replace blank when null * @param VARCHAR dirty_string : dirty string as input * @return VARCHAR clean_string : clean string as output * * Usage Syntax: stripSpeciaChars(string); * Usage SQL> SELECT stripSpeciaChars("sdfa7987\t\n\ru"); * result : 'sdfa7987u' */ RETURN IFNULL(TRIM(REPLACE(REPLACE(REPLACE(dirty_string,'\t',''),'\n',''),'\r','')),''); END;; USE label_copy_export;; DROP FUNCTION IF EXISTS stripSpecialChars;;