Validate UUID Format in MySQL with REGEXP
Use MySQL REGEXP to validate UUID (Universally Unique Identifier) format in database columns. SQL UUID validation examples.
The Regex Pattern
Regex pattern
^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$Use this pattern with MySQL's REGEXP operator.
MySQL SQL Example
-- Validate UUID strings in a MySQL table ensuring correct 8-4-4-4-12 hex format using REGEXP
SELECT *
FROM your_table
WHERE your_column REGEXP '^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$';How This Works
Validate UUID strings in a MySQL table ensuring correct 8-4-4-4-12 hex format 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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