PostgreSQLstring matching

Normalize Phone Numbers in PostgreSQL with regexp_replace

Use PostgreSQL regexp_replace to strip non-numeric chars and normalize phone number formats. SQL normalization examples.

The Regex Pattern

Regex pattern

[^0-9+]

Use this pattern with PostgreSQL's ~ operator.

PostgreSQL SQL Example

-- Normalize inconsistent phone number formats by stripping spaces, dashes, and parentheses using PostgreSQL regexp_replace
SELECT *
FROM your_table
WHERE your_column ~ '[^0-9+]';

How This Works

Normalize inconsistent phone number formats by stripping spaces, dashes, and parentheses using PostgreSQL regexp_replace. The regex pattern is used with PostgreSQL's ~ operator to filter rows at the database level.

Using regex directly in SQL is efficient for use cases like string matching — it avoids loading data into application memory just to filter it with a regex.

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