Hello All,
The JavaScript syntax file does not currently highlight regular
expression literals which contain any modifiers other than g and/or i.
So, for example, the following literal would not be highlighted
/^Match me$/gm
ECMA-262 edition 5.1[1] defines the flags in the syntax in §7.8.5 as
being any IdentifierPart, although it is currently limited to the
characters "g", "i", and "m" in §15.10.4.1. Mozilla also supports
a non-standard "y" modifier.[2] I am not aware of any others.
The attached patch adds support for the "m" modifier.
I tried emailing this to Claudio Fleiner, who is listed as the current
maintainer in the file header 2 weeks ago, but since I haven't
received a response, I decided to follow-up here. I hope that is not
a severe breach of protocol.
Thanks for considering,
Kevin
1.
http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262%20edition%205.1,%20June%202011.pdf
2.
https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/RegExp
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diff -r c61da758a9a2 runtime/syntax/javascript.vim
--- a/runtime/syntax/javascript.vim Wed Apr 24 18:34:45 2013 +0200
+++ b/runtime/syntax/javascript.vim Thu Apr 25 21:50:32 2013 -0600
@@ -42,7 +42,7 @@
syn match javaScriptSpecialCharacter "'\\.'"
syn match javaScriptNumber "-\=\<\d\+L\=\>\|0[xX][0-9a-fA-F]\+\>"
-syn region javaScriptRegexpString start=+/[^/*]+me=e-1 skip=+\\\\\|\\/+ end=+/[gi]\{0,2\}\s*$+ end=+/[gi]\{0,2\}\s*[;.,)\]}]+me=e-1 contains=@htmlPreproc oneline
+syn region javaScriptRegexpString start=+/[^/*]+me=e-1 skip=+\\\\\|\\/+ end=+/[gim]\{0,2\}\s*$+ end=+/[gim]\{0,2\}\s*[;.,)\]}]+me=e-1 contains=@htmlPreproc oneline
syn keyword javaScriptConditional if else switch
syn keyword javaScriptRepeat while for do in
