MySQLdata validation

Validate Price Format in MySQL with REGEXP

Use MySQL REGEXP to validate decimal price formats like 9.99 or 1000.00 in a products table. SQL data validation examples.

The Regex Pattern

Regex pattern

^\d+(\.\d{2})?$

Use this pattern with MySQL's REGEXP operator.

MySQL SQL Example

-- Validate that a price column in MySQL products table contains properly formatted decimal numbers
SELECT *
FROM your_table
WHERE your_column REGEXP '^\\d+(\\.\\d{2})?$';

How This Works

Validate that a price column in MySQL products table contains properly formatted decimal numbers. 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.

Related SQL Patterns