Oddly accepted RegExps
andyearnshaw at gmail.com
Fri Jun 3 13:48:18 UTC 2016
IE has supported all of these for as long as I can remember. AFAIK, it's
never been a requirement _in browsers_ to escape [ inside a character class
or ] outside e.g. `/[/` ([ is inside) or `/]/` (] is outside). If it's
not the case in the spec (I haven't checked the spec grammar), it should
probably be classed as a spec bug for compat reasons.
On Fri, 3 Jun 2016 at 14:20 Boris Zbarsky <bzbarsky at mit.edu> wrote:
> On 6/3/16 4:20 AM, Isiah Meadows wrote:
> > These three RegExps don't appear valid, even after reading the Annex B,
> > but they do behave consistently in both Chrome and Firefox.
> Note that Chrome and Firefox use the same regexp implementation, so them
> agreeing on how a regexp is handled means a lot less than if two
> independent implementations agreed.
> es-discuss mailing list
> es-discuss at mozilla.org
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