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@ -441,6 +441,9 @@ To replace text in a string with regex, use the "regex_replace" filter::
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# convert "foobar" to "bar"
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# convert "foobar" to "bar"
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{{ 'foobar' | regex_replace('^f.*o(.*)$', '\\1') }}
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{{ 'foobar' | regex_replace('^f.*o(.*)$', '\\1') }}
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.. note:: If "regex_replace" filter is used with variables inside YAML arguments (as opposed to simpler 'key=value' arguments),
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then you need to escape backreferences (e.g. ``\\1``) with 4 backslashes (``\\\\``) instead of 2 (``\\``).
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A few useful filters are typically added with each new Ansible release. The development documentation shows
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A few useful filters are typically added with each new Ansible release. The development documentation shows
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how to extend Ansible filters by writing your own as plugins, though in general, we encourage new ones
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how to extend Ansible filters by writing your own as plugins, though in general, we encourage new ones
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to be added to core so everyone can make use of them.
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to be added to core so everyone can make use of them.
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