cp /Applications/Sublime\ Text.app/Contents/MacOS/Packages/JavaScript.sublime-package /tmp/JavaScript.zip unzip /tmp/JavaScript.zip -d /tmp/JavaScript cp /tmp/JavaScript/JavaScript.tmLanguage ~/Library/Application\ Support/Sublime\ Text\ 3/Packages/JavaScript/JavaScript.tmLanguage open ~/Library/Application\ Support/Sublime\ Text\ 3/Packages/JavaScript/
<string>(?<=[\s\[\,=(:]|^|return|&&|\|\||!)\s*(/)(?![/*+{}?]|[^/]*$)</string>
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http://www.sublimetext.com/forum/viewtopic.php?f=3&t=8495
For Sublime Text 3 for OS X, you need to extract JavaScript.tmLanguage file first:
Then edit JavaScript.tmLanguage file as the post said (in line 650):
Save the file, there should be an immediate effect on the opened JavaScript files.