MySQL Remove special characters from database

MySQL Remove special characters from database

Today, We want to share with you MySQL Remove special characters from database.In this post we will show you MySQL Function to remove accents and special characters, hear for How to remove special characters by mysql custom function we will give you demo and example for implement.In this post, we will learn about remove special characters from phone number mysql with an example.

MySQL Remove special characters from database

There are the Following The simple About MySQL Remove special characters from database Full Information With Example and source code.

As I will cover this Post with live Working example to develop Remove special characters from a database field, so the mysql select column with special characters for this example is following below.

MySQL Create removeSpacialChar function:

CREATE FUNCTION `removeSpacialChar`(`request_data` varchar(4096)) RETURNS varchar(4096) CHARSET utf8 
BEGIN
      DECLARE result_data VARCHAR(4096) DEFAULT ''; 
      DECLARE c VARCHAR(4096) DEFAULT ''; 
      DECLARE myctr INT DEFAULT 1; 
 
      IF ISNULL(request_data) THEN
            RETURN NULL; 
      ELSE
            WHILE myctr <= LENGTH(request_data) DO 
 
                  SET c = MID(request_data, myctr, 1); 
 
                  IF (ASCII(c) >= 48 AND ASCII(c) <= 57) OR (ASCII(c) >= 65 AND ASCII(c) <= 90) OR (ASCII(c) >= 97 AND ASCII(c) <= 122) THEN
                      SET result_data = CONCAT(result_data, c); 
                  ELSE
                      SET result_data = CONCAT(result_data, ' ');   
                  END IF; 
 
                  SET myctr = myctr + 1; 
            END WHILE; 
      END IF; 
 
      RETURN result_data; 
END

Use With Select Query:

SELECT removeSpacialChar(products.name) FROM `products`

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