Issue #11949 has been reported by Masahiro Nakagawa.
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Feature #11949: Allow @/$ prefix in Regexp's named captures
https://bugs.ruby-lang.org/issues/11949
* Author: Masahiro Nakagawa
* Status: Open
* Priority: Normal
* Assignee:
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fluentd hits the problem that Regexp's named captures doesn't allow @ prefix.
https://github.com/treasure-data/omnibus-td-agent/issues/60
I assume this limitation is for auto variable assign feature.
http://ruby-doc.org/core-2.3.0/Regexp.html#class-Regexp-label-Capturing
In fluentd, there is no auto assign use case so we want to use @/$ prefix.
@ is used for Elastic related products and $ is used for MongoDB.
Currently, we need to add extra routine to convert foo to @foo / $foo after parsed the data.
It makes performance slower and causes complicated configuration.
I'm not sure the best approach but we want command line option or something to allow @/$ prefix in named captures.
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