logstash-patterns
JSVerbalExpressions
| logstash-patterns | JSVerbalExpressions | |
|---|---|---|
| 4 | 4 | |
| 233 | 12,167 | |
| 0.0% | 0.1% | |
| 2.1 | 7.8 | |
| about 1 year ago | 1 day ago | |
| Python | JavaScript | |
| - | MIT License |
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logstash-patterns
- Grok filter working in online debuggers but not in actual implementation
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A portable, modern regular expression language
Why don't languages have grok patterns in their standard libraries?
It seems to only exist in log parsing ecosystems but this really helps with getting rid of little bugs and wrong parsing of specific regex patterns.
Instead of doing "^\d+(\.\d+){3}$" for IP checking which is clearly wrong, you'd do "%{IPV4:ip}" which is so much better.
List of known patterns : https://github.com/hpcugent/logstash-patterns/blob/master/fi...
Even for PHP a third party library only has 15 stars.
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Dissect pattern help
in case you haven't, it can be found here. https://github.com/hpcugent/logstash-patterns/blob/master/files/grok-patterns
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Writing an effective GROK pattern
Also, some of the patterns can be referred from https://github.com/hpcugent/logstash-patterns/blob/master/files/grok-patterns I personally prefer the above link for constructing grok pattern.
JSVerbalExpressions
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A portable, modern regular expression language
I agree with you. I got tired of fighting with regex where I got to the point of simply not using it if at all possible.
A comment further up offered a very promising alternative.
https://github.com/VerbalExpressions/JSVerbalExpressions#tes...
It's a bit verbose, but I don't care anymore, I am too much a veteran to care about my code being sleek, I want it readable and workable.
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Melody - A language that compiles to regular expressions and aims to be more easily readable and maintainable
There is also VerbalExpressions with a somewhat similar idea
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Regular expressions vs Me
JSVerbalExpressions — construct regular expressions with natural language terms
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Super-expressive – Write regex in natural language
https://github.com/VerbalExpressions/JSVerbalExpressions
What are some alternatives?
logstash-patterns-core
melody - Melody is a language that compiles to regular expressions and aims to be more readable and maintainable
rx - Standalone version of Emacs' rx macro
super-expressive - 🦜 Super Expressive is a zero-dependency JavaScript library for building regular expressions in (almost) natural language
common-regex - Most common regex
ocaml-re - Pure OCaml regular expressions, with support for Perl and POSIX-style strings
kbnf - KBNF has been renamed to Dogma
fluent-plugin-grok-parser - Fluentd's Grok parser
regex - Regex to parse translator