Validate ZIP Code in SQLite with REGEXP
Check US ZIP code format in SQLite using the REGEXP operator. Setup and SQL examples for postal code validation in SQLite.
The Regex Pattern
Regex pattern
^\d{5}(-\d{4})?$Use this pattern with SQLite's REGEXP operator.
SQLite SQL Example
-- Use SQLite REGEXP to validate ZIP code column values in an addresses table
SELECT *
FROM your_table
WHERE your_column REGEXP '^\\d{5}(-\\d{4})?$';How This Works
Use SQLite REGEXP to validate ZIP code column values in an addresses table. The regex pattern is used with SQLite'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.
Need a custom SQL + Regex query?
Describe your specific use case in plain English. RegSQL generates the exact SQLite query with the right regex pattern for your schema.
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