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Home Page: https://slevithan.github.io/regex-colorizer/demo/
License: MIT License
Highlighter for JavaScript regex syntax
Home Page: https://slevithan.github.io/regex-colorizer/demo/
License: MIT License
It would be nice to be able to highlight regex comments explicitly with this, since I'm using this lib to highlight a regex that I split into parts, and indent and comment to explain. Something like the #
character perhaps.
Thanks for the awesome library! I might even just do it myself and send a PR, we'll see :)
I'd prefer not to minify this library myself, especially since minifiers can introduce their own issues.
Could you provide a minified version of your code in the code base?
When using flag u
, Regex Colorizer (as of v1.0.0) uses a simplistic regex to identify Unicode properties with \p{...}
and \P{...}
. It would be better to flag any values that are not actually supported by ECMAScript.
@mathiasbynens has a bunch of great, related libraries. See:
Not yet sure which of these are the most relevant.
The named group is the most required part.
http://xregexp.com/
v
(ES2024).options
argument used by colorizeAll
and colorizePattern
:
flavor
- Ex: 'JavaScript'
, 'EMCAScript'
(alternative name: 'JavaScript-WithoutWebReality'
), 'PCRE'
, 'XRegExp'
.
'JavaScript'
.version
is not provided.version
- Regex flavor version. Ex: JavaScript/ECMAScript: '3'
, '5'
, '2024'
; PCRE: '8.45'
, '10.39'
.
'latest'
.flavor
is not provided.'JavaScript'
+'2024'
, it sets of bunch of feature flags, and parsing code can check for the feature flags rather than flavor/version. New flavor versions can then just augment existing objects of feature flags.format
- Options: '...'
(default), '/.../flags'
, and maybe others.
'/.../flags'
allows:
/
in regex literals. Note: ES5 included a change to allow unescaped [/]
in regex literals.format
and flags
are provided.warningsOn
- On by default? Ex: ||
at top level, range overflow, quantified lookaround, incomplete tokens \c
,\x
,\u
.compatibilityOn
- For differences in behavior for the same syntax across regex flavors (not for when some flavors don't support a feature). Ex: Empty char classes []
, [^]
(JS), leading unescaped ]
in char classes (non-JS).suggestionsOn
- Ex: Use of octals, escaped literals, [0-9]
โ \d
(for flavors where \d
is ASCII only), [\S\s]
โ dot with /s
(if /s
is active or no existing dots).options
argument, with flavor
, version
, format
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