MySQLdata validation

Validate MAC Address Format in MySQL with REGEXP

Use MySQL REGEXP to validate MAC address format in network-related tables. SQL examples for MAC address checking.

The Regex Pattern

Regex pattern

^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$

Use this pattern with MySQL's REGEXP operator.

MySQL SQL Example

-- Validate MAC address strings in a MySQL network_devices or hardware_inventory table using REGEXP
SELECT *
FROM your_table
WHERE your_column REGEXP '^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$';

How This Works

Validate MAC address strings in a MySQL network_devices or hardware_inventory table using REGEXP. 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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