mssqldata validation

Validate US ZIP Code in SQL Server with LIKE Pattern

Use SQL Server LIKE pattern to validate US ZIP code formats in T-SQL. Examples for ZIP code checking in MSSQL.

The Regex Pattern

Regex pattern

[0-9][0-9][0-9][0-9][0-9]

Use this pattern with mssql's REGEXP operator.

mssql SQL Example

-- Validate US ZIP code format in a SQL Server addresses table using LIKE pattern matching in T-SQL
SELECT *
FROM your_table
WHERE your_column REGEXP '[0-9][0-9][0-9][0-9][0-9]';

How This Works

Validate US ZIP code format in a SQL Server addresses table using LIKE pattern matching in T-SQL. The regex pattern is used with mssql'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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