MySQLdata validation

Validate Hex Color Code in MySQL with REGEXP

Use MySQL REGEXP to validate 3 and 6-digit hex color codes in your database. SQL examples for CSS color code validation.

The Regex Pattern

Regex pattern

^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$

Use this pattern with MySQL's REGEXP operator.

MySQL SQL Example

-- Validate hex color codes in a themes or products table in MySQL ensuring values like #FFF or #FFFFFF are correctly formatted
SELECT *
FROM your_table
WHERE your_column REGEXP '^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$';

How This Works

Validate hex color codes in a themes or products table in MySQL ensuring values like #FFF or #FFFFFF are correctly formatted. The regex pattern is used with MySQL's REGEXP operator to filter rows at the database level.

Using regex directly in SQL is efficient for use cases like data validation โ€” it avoids loading data into application memory just to filter it with a regex.

Need a custom SQL + Regex query?

Describe your specific use case in plain English. RegSQL generates the exact MySQL query with the right regex pattern for your schema.

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