Fixed regex syntax so it works with ? : (ternary)

nerdrew · tpope · commit 8c1c484bce25 · 2010-08-26T08:07:50.000+08:00
This commit fixes syntax highlighting for the following line:
yo = 4 ? /quack#{3}/ : /quack/
diff --git a/syntax/ruby.vim b/syntax/ruby.vim
@@ -124,7 +124,7 @@ syn match rubyPredefinedConstant "\%(\%(\.\@<!\.\)\@<!\|::\)\_s*\zs\%(RUBY_VERSI
 "syn match rubyPredefinedConstant "\%(::\)\=\zs\%(NotImplementError\)\>"
 
 " Normal Regular Expression
-syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\%(^\|\<\%(and\|or\|while\|until\|unless\|if\|elsif\|when\|not\|then\|else\)\|[;\~=!|&(,[>]\)\s*\)\@<=/" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyRegexpSpecial keepend fold
+syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\%(^\|\<\%(and\|or\|while\|until\|unless\|if\|elsif\|when\|not\|then\|else\)\|[;\~=!|&(,[>?:]\)\s*\)\@<=/" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyRegexpSpecial keepend fold
 syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\h\k*\s\+\)\@<=/[ \t=]\@!" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyRegexpSpecial fold
 
 " Generalized Regular Expression
