On Wed, Jan 29, 2014 at 9:40 PM, Julien Eluard <[email protected]>wrote:

> That's definitively a workaround that would work for most common cases.
>
> Googling around I found the definition of a JS identifier (ES 5.1) is not
> exactly trivial: http://mathiasbynens.be/notes/javascript-identifiers . I
> can't even see what part of the definition prevents dash in names. The
> author of this article also states a complete regex would be 11,236
> characters long..
>

The other option is to use the one of good pure JavaScript parsers such as
Esprima, I'm assuming they provide accurate and fast facilities for
validating JS identifiers.

David

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