logstash-patterns
ReadableRegex.jl
| logstash-patterns | ReadableRegex.jl | |
|---|---|---|
| 4 | 3 | |
| 238 | 183 | |
| 2.1% | - | |
| 6.9 | 0.0 | |
| about 2 months ago | almost 2 years ago | |
| Python | Julia | |
| GNU Lesser General Public License v3.0 only | 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.
ReadableRegex.jl
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A portable, modern regular expression language
I find something like this a lot more readable:
https://github.com/jkrumbiegel/ReadableRegex.jl
It is in Julia, but if you have it installed locally it’s just a few taps away. You can even generate the regex, and use that in Python and just add the ReadableRegex in a comment nearby.
- Learn RegEx step by step, from zero to advanced
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luna is a Domain specific language that translates to regex. It's an attempt to make regex more readable.
Looks kinda like https://github.com/jkrumbiegel/ReadableRegex.jl
What are some alternatives?
logstash-patterns-core
pyparsing - Python library for creating PEG parsers
JSVerbalExpressions - JavaScript Regular expressions made easy
iregex - A way to write regex with objects instead of strings.
rx - Standalone version of Emacs' rx macro
common-regex - Most common regex
kbnf - KBNF has been renamed to Dogma