Retain matching lines (grep)/non-matching lines (inverse grep)

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(Pro version only)

TextPipe will retain any lines that match/don't match the given pattern, all other lines will be deleted. For options, please see the Restrict to matching lines filter. Unlike that filter, this filter is not allowed to have any sub filters.

Note - any non-matching lines are discarded, so you can't really use two Retain Matching Lines filters in a row. Instead, use an or '|' operator in the pattern match.

See also

Special Menu
Remove matching/non-matching lines
Extract lines matching pattern list