kbnf
ReadableRegex.jl
| kbnf | ReadableRegex.jl | |
|---|---|---|
| 6 | 3 | |
| 0 | 183 | |
| - | - | |
| 0.0 | 0.0 | |
| about 1 year ago | almost 2 years ago | |
| Julia | ||
| GNU General Public License v3.0 or later | MIT License |
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kbnf
- Ask HN: Please Review My Metalanguage
- Please Review My Metalanguage
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A portable, modern regular expression language
The fundamental problem comes from assigning meaning to whitespace (in this case, concatenation). I had the same issues when developing KBNF ( https://github.com/kstenerud/kbnf/blob/master/kbnf.md ) which operates in a closely related space.
In early development, I took a number of cues from regex that turned out to be bad ideas, in particular using whitespace for concatenation (which all BNF dialects seem to do).
Switching to '&' for concatenation fixed it and made things a lot clearer, as it would also do for Pomsky:
'Hello' & ' '+ & ('world' | 'pomsky') -
Ask HN: Please help me by reviewing KBNF
Hi everyone! Merry Christmas and happy new year!
I'm making a modernized BNF-style metalanguage that supports grammars for text and binary formats, but unless there's some kind of outside review, I won't find any blind spots I have until long after release.
If you have experience in grammars or protocols (text or binary), could you take a quick look?
Note: I'm not aiming for perfect expressivity; just 80-90% of use cases without making things overcomplicated so that it can be used descriptively in documentation.
https://github.com/kstenerud/kbnf/blob/master/kbnf.md
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Social media may prevent users from reaping creative rewards of profound boredom
Boredom is what led to pretty much every project I've ever done. I usually have a list in my head of things that could be made better, but they never come to anything until I have a lengthy period of nothing to do.
Latest example: I had to take all my vacation time this year or else I'd lose it. I got so bored that I built this over the past weeks: https://github.com/kstenerud/kbnf
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?
ReadingQuarkXpress - Some code to read certain Quark Xpress files
pyparsing - Python library for creating PEG parsers
rx - Standalone version of Emacs' rx macro
iregex - A way to write regex with objects instead of strings.
common-regex - Most common regex
hfst - Helsinki Finite-State Technology (library and application suite)
logstash-patterns - Grok patterns for parsing and structuring log messages with logstash
fluent-plugin-grok-parser - Fluentd's Grok parser
JSVerbalExpressions - JavaScript Regular expressions made easy