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Groups > comp.lang.javascript > #18065
| From | Stefan Weiss <krewecherl@gmail.com> |
|---|---|
| Newsgroups | comp.lang.javascript |
| Subject | Re: ScreenName validation |
| Date | 2013-01-11 03:38 +0100 |
| Organization | albasani.net |
| Message-ID | <kcnu00$dnm$1@news.albasani.net> (permalink) |
| References | <al347sFepchU1@mid.individual.net> <53ccd13b-a933-4bbc-ba0a-7061cc9064cd@4g2000yqv.googlegroups.com> <m28v807ec9.fsf@nntp.bednarz.nl> <r1que89eftmfejrieqstmo7bp1ra3e92rv@4ax.com> |
On 2013-01-11 02:23, Jeff North wrote:
> On Fri, 11 Jan 2013 01:28:22 +0100, in comp.lang.javascript Eric
> Bednarz <bednarz@fahr-zur-hoelle.org>
> <m28v807ec9.fsf@nntp.bednarz.nl> wrote:
>
>>| Scott Sauyet <scott.sauyet@gmail.com> writes:
>>|
>>| > /^[a-z\.\_\-]{2,12}$/
>>|
>>| Uh, what's up with all those backslashes?
>
> The dot ( .* ) and hyphen ( [a-Z] ) characters are used within regexp.
> To check for the actual characters they need to be escaped (preceded
> with backslash).
Not in a character class (the hyphen may need to be escaped if it's not
at the start or end of the class). /^[a-z._-]{2,12}$/ does exactly the same.
Last time I checked, JSLint required the redundant backslash escapes for
some reason.
- stefan
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ScreenName validation "Mel Smith" <med_cutout_syntel@aol.com> - 2013-01-08 10:44 -0700
Re: ScreenName validation Scott Sauyet <scott.sauyet@gmail.com> - 2013-01-08 11:02 -0800
Re: ScreenName validation "Mel Smith" <med_cutout_syntel@aol.com> - 2013-01-08 13:05 -0700
Re: ScreenName validation Eric Bednarz <bednarz@fahr-zur-hoelle.org> - 2013-01-11 01:28 +0100
Re: ScreenName validation Jeff North <jnorthau@yahoo.com.au> - 2013-01-11 12:23 +1100
Re: ScreenName validation Stefan Weiss <krewecherl@gmail.com> - 2013-01-11 03:38 +0100
Re: ScreenName validation Eric Bednarz <bednarz@fahr-zur-hoelle.org> - 2013-01-11 20:35 +0100
Re: ScreenName validation Eric Bednarz <bednarz@fahr-zur-hoelle.org> - 2013-01-11 21:22 +0100
Re: ScreenName validation Stefan Weiss <krewecherl@gmail.com> - 2013-01-11 22:09 +0100
Re: ScreenName validation Eric Bednarz <bednarz@fahr-zur-hoelle.org> - 2013-01-11 23:23 +0100
Re: ScreenName validation Stefan Weiss <krewecherl@gmail.com> - 2013-01-12 00:26 +0100
Re: ScreenName validation Eric Bednarz <bednarz@fahr-zur-hoelle.org> - 2013-01-12 00:54 +0100
Re: ScreenName validation Eric Bednarz <bednarz@fahr-zur-hoelle.org> - 2013-01-12 00:22 +0100
Re: ScreenName validation Scott Sauyet <scott.sauyet@gmail.com> - 2013-01-11 13:29 -0800
Re: ScreenName validation Eric Bednarz <bednarz@fahr-zur-hoelle.org> - 2013-01-12 02:31 +0100
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