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Semi-automatic incremental construction and debugging of regular expressions for grok to parse logfiles for logstash http://logstash.net/ . Deployed at http://grokconstructor.appspot.com/ .

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logstash supports using a metadata [semantic/identifier](https://www.elastic.co/guide/en/logstash/current/plugins-filters-grok.html#_grok_basics) in grok (see https://www.elastic.co/blog/logstash-metadata "Date filter") e.g. pattern `%{TIMESTAMP_ISO8601:[@metadata][ts]}` should match input `2021-03-08 23:20:36.952` but instead reports no match Thank you.

enhancement

It appears that the `` object is automatically inheriting the max width of the page, instead of the width of the .ym-wrapper I believe the easiest way to save this...

enhancement

I encountered an error while testing Grok pattern. The copy of error: Error page dump OUCH! I'm sorry, but you have encountered a bug or missing nice display of an...