replace_pattern

Replaces every match of an RE2 pattern in the string, with a replacement that may reference capture groups as $1, $2, and so on.

An empty replacement deletes each match, and an invalid pattern is an error.

InputArgumentsReturnsstringstringstringstring

Behaviors

Coerces scalars to text: A scalar value such as a number or a boolean is converted to its text form before matching, so 42 is accepted as "42".

Replaces every match of an RE2 pattern, and the replacement may reference capture groups with $1 and $2.

Given

{"name": "Doe, Jane"}

Template

{{ name | replace_pattern:'(\w+), (\w+)','$2 $1' }}

Result

Jane Doe

CollapseSource

Rewrites each run of whitespace to a single underscore.

Given

{"text": "a b  c"}

Template

{{ text | replace_pattern:'\s+','_' }}

Result

a_b_c

Removes every match when the replacement is empty.

Given

{"code": "abc123def"}

Template

{{ code | replace_pattern:'\d+','' }}

Result

abcdef