MySQLdata validation

Validate URL Slug Format in MySQL with REGEXP

Use MySQL REGEXP to validate URL slug format: lowercase letters, numbers, and hyphens only. SQL examples for slug validation.

The Regex Pattern

Regex pattern

^[a-z0-9]+(-[a-z0-9]+)*$

Use this pattern with MySQL's REGEXP operator.

MySQL SQL Example

-- Validate slug or permalink columns in a MySQL posts or products table to ensure SEO-friendly URL slug format
SELECT *
FROM your_table
WHERE your_column REGEXP '^[a-z0-9]+(-[a-z0-9]+)*$';

How This Works

Validate slug or permalink columns in a MySQL posts or products table to ensure SEO-friendly URL slug format. 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 — it avoids loading data into application memory just to filter it with a regex.

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