From fa3848a1f2264f1dfe3576db85d0fe3046027177 Mon Sep 17 00:00:00 2001 From: muffl0n Date: Thu, 26 Nov 2015 12:56:30 +0100 Subject: [PATCH] Add example for regex_replace using named groups --- docsite/rst/playbooks_filters.rst | 3 +++ 1 file changed, 3 insertions(+) diff --git a/docsite/rst/playbooks_filters.rst b/docsite/rst/playbooks_filters.rst index 7d4ace9c4b..32933ee9d4 100644 --- a/docsite/rst/playbooks_filters.rst +++ b/docsite/rst/playbooks_filters.rst @@ -520,6 +520,9 @@ To replace text in a string with regex, use the "regex_replace" filter:: # convert "foobar" to "bar" {{ 'foobar' | regex_replace('^f.*o(.*)$', '\\1') }} + # convert "localhost:80" to "localhost, 80" using named groups + {{ 'localhost:80' | regex_replace('^(?P.+):(?P\\d+)$', '\\g, \\g') }} + .. note:: Prior to ansible 2.0, if "regex_replace" filter was used with variables inside YAML arguments (as opposed to simpler 'key=value' arguments), then you needed to escape backreferences (e.g. ``\\1``) with 4 backslashes (``\\\\``) instead of 2 (``\\``).