EXTRACT_ALL

Extracts fragments within a string that match a specified regex pattern. String fragments that match are returned as an array of TEXT types.

Syntax

EXTRACT_ALL( <expression>, <pattern> )

Parameters

Parameter	Description	Supported input types
`<expression>`	The string to be extracted from.	`TEXT`
`<pattern>`	Regex pattern that is applied to `<expression>`	An re2 regular expression used for matching.

Return Type

ARRAY TEXT

Example

In the example below, EXTRACT_ALL is used to match variants of a tournament name, “Hello World”. The regular expression pattern 'Hello.[Ww]orld!?' does not match any special characters except for !.

SELECT
	EXTRACT_ALL (
		'Hello world, ;-+ Hello World!',
		'Hello.[Ww]orld!?'
	);

Returns:

["Hello world","Hello World!"]