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This article is about Looker Studio. For Looker documentation, visit https://cloud.google.com/looker/docs/intro.

REGEXP_EXTRACT

Returns the first matching substring in the target value which matches the regular expression pattern.

Sample usage

REGEXP_EXTRACT(Campaign , 'TYPE:(.*)')

Syntax

REGEXP_EXTRACT(X, regular_expression)

Parameters

  • X - a field or expression that includes a field.
  • regular_expression - a regular expression that extracts a portion of X. regular_expression must contain a valid extraction pattern.

Returns

The REGEXP_EXTRACT function returns text values.

Example

Example formula Input Output
REGEXP_EXTRACT( URL , '^https://[^/]+/([^/]+)/' ) https://support.google.com/looker-studio/answer/7050487 looker-studio
REGEXP_EXTRACT( URL , '^https://[^/]+/([^/]+)/' ) https://cloud.google.com/bigquery/docs/reference/standard-sql/functions-and-operators bigquery

Notes

Looker Studio uses the RE2 expression syntax. For more details, see Regular Expressions in Looker Studio.

Note that patterns containing escape characters such as \ may require additional escaping in Looker Studio, which can be avoided with the use of raw string literals.

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