Re: Help with regexp

Path	csiph.com!weretis.net!feeder8.news.weretis.net!news.mb-net.net!open-news-network.org!.POSTED.178.197.212.81!not-for-mail
From	Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups	comp.lang.javascript
Subject	Re: Help with regexp
Date	Wed, 11 Aug 2021 16:03:15 +0200
Organization	PointedEars Software (PES)
Lines	39
Message-ID	<7288015.EvYhyI6sBW@PointedEars.de> (permalink)
References	<lZadnd6QivChfpH8nZ2dnUU7-L3NnZ2d@westnet.com.au> <3136550.aeNJFYEL58@PointedEars.de> <F9SdnRF4Svb6AI38nZ2dnUU7-TPNnZ2d@westnet.com.au> <21167627.EfDdHjke4D@PointedEars.de> <slrnsh4s8a.49p.jon+usenet@raven.unequivocal.eu>
Reply-To	Thomas 'PointedEars' Lahn <cljs@PointedEars.de>
Mime-Version	1.0
Content-Type	text/plain; charset="UTF-8"
Content-Transfer-Encoding	8Bit
Injection-Info	gwaiyur.mb-net.net; posting-host="178.197.212.81"; logging-data="4368"; mail-complaints-to="abuse@open-news-network.org"
User-Agent	KNode/4.14.10
Cancel-Lock	sha1:6Yo5SiP633AYd6Lx5ZiYVS6hZ/U=
Face	iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAGFBMVEXTxa4RFk5dUWANED8PFEfy7+MGBiW+n3ZNF/QuAAACaElEQVQ4jVXUwVOcMBQG8Dc7Rc4PUntdWV2uxjDpGaGeozOp1woar4jd5t/v9wLstMwsA/ntlxdCAgUc1hjTc9/JCZfGoo3wG3HdmdAWrIJRHe7GM/TmpY5VFefuVcAkkPbLIaN8rmPmjloyZxgyR3GuJ4K0AGtJ2htz8o7yqikm759fldQXaMpbDzjKAG+8v+AugVTOPO5DOjLvGtUYQwh0CPjnVMyGd+8/GfUB5nLKJDD2aLDh5HYyMDJGDwQIo2ZmZcKbowNmAdB/AzyFhrmF2MHRb0QJJfaAnwGB6orZhoykLzJtGwF/xpYxI1dswomiUj3gTuAIqCn/4C7cULwGNBtwMTk3Y4LfKB5YUaOKBKYtpplm7u0vip8tU1NWWyI/7XdcSuIDoMt6rVHMWT0DbjHPGqDqZVSa6zleLcUTcIKLoMv3ueJluALtAo9B302zPPlrtiVScRdCjXvVh3e3JpYa/jjkuC9N+LrBMlz/eAN4eQijX2EdLo6c5tGGHwLyHFtXk89dDGHwCVhG9T0S/j55AhRZgkMCmUQXJ49TnS1wnQDvw0eAh9ICeMmEFbCnPMFzjAvsWoEWEFdYEx+S0MoUZ1gT1wId8+AF3Bl2OoEu906AUHx5VLw/gXYg/x84loOah/2UYNrgiwSwGO7RfUzVBbx/kgpckumGOi6QirtD6gkLTitbnxNol47S2jVc2vsN5kPqaAHT8uUdAJM4v/DanjYOwmUjWznGfwB7sGtAtor5BgofDuzaRj4kSQAqDakTsKORa3Q3xKi3gE1fhl71KRMqrdZ2AWNNg/YOhQyrVBnb+i+nEg4bsDA+egAAAABJRU5ErkJggg==
X-User-ID	U2FsdGVkX18DNmcqwiGMck7JDkPXMXrpe2vO3ahewSdrdYLdavyneQ==
X-Face	%i>XG-yXR'\"2P/C_aO%~;2o~?g0pPKmbOw^=NT`tprDEf++D.m7"}HW6.#=U:?2GGctkL,f89@H46O$ASoW&?s}.k+&.<b';Md8`dH6iqhT)6C^.Px\|[=M@7=Ik[_w<%n1Up"LPQNu2m8\|L!/3iby{-]A+#YE}Kl{Cw$\U!kD%K}\2jz"QQP6Uqr],./"?;=4v
Xref	csiph.com comp.lang.javascript:40342

Show key headers only | View raw

Jon Ribbens wrote:

> On 2021-08-10, Thomas 'PointedEars' Lahn <PointedEars@web.de> wrote:
>><https://262.ecma-international.org/#sec-string.prototype.replace>
>> [… I for one cannot see anymore how that describes the (actual) behavior
>> of the “replace” method in this case.  Where is the check for RegExp?
>> Or are we supposed to use “replaceAll” now?
> 
> Step 2:
> 
>   If searchValue is neither undefined nor null, then
>     a. Let replacer be ? GetMethod(searchValue, @@replace).
>     b. If replacer is not undefined, then
>       i. Return ? Call(replacer, searchValue, « O, replaceValue »).
> 
> RegExp ojects have an @@replace method so that takes over the
> handling of the call. Interesting to know that you can presumably
> therefore create your own classes with @@replace methods to also
> affect the String replace method.

There it is:

<https://262.ecma-international.org/#sec-regexp.prototype-@@replace>

Thank you very much ':-)

> The abstractions in the ECMAScript standard aren't *too* bad I think.
> The effort required to find out what's happening in any particular
> situation doesn't normally seem to end up being overly burdensome.

I have been interpreting them since Edition 3 Final was published at
the latest, and in my opinion it gets worse with every new Edition :'-)


PointedEars
-- 
PointedEars
FAQ: <http://PointedEars.de/faq> | <http://PointedEars.de/es-matrix>
<https://github.com/PointedEars> | <http://PointedEars.de/wsvn/>
Twitter: @PointedEars2 | Please do not cc me./Bitte keine Kopien per E-Mail.

Back to comp.lang.javascript | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

Help with regexp Andrew Poulos <ap_prog@hotmail.com> - 2021-08-06 17:22 +1000
  Re: Help with regexp Andrew Poulos <ap_prog@hotmail.com> - 2021-08-06 17:41 +1000
    Re: Help with regexp Andrew Poulos <ap_prog@hotmail.com> - 2021-08-06 17:55 +1000
      Re: Help with regexp Julio Di Egidio <julio@diegidio.name> - 2021-08-06 01:39 -0700
        Re: Help with regexp Julio Di Egidio <julio@diegidio.name> - 2021-08-06 01:53 -0700
        Re: Help with regexp Andrew Poulos <ap_prog@hotmail.com> - 2021-08-07 09:19 +1000
          Re: Help with regexp Julio Di Egidio <julio@diegidio.name> - 2021-08-06 17:26 -0700
      Re: Help with regexp Jon Ribbens <jon+usenet@unequivocal.eu> - 2021-08-06 10:36 +0000
        Re: Help with regexp Andrew Poulos <ap_prog@hotmail.com> - 2021-08-07 09:17 +1000
          Re: Help with regexp Jon Ribbens <jon+usenet@unequivocal.eu> - 2021-08-07 18:57 +0000
  Re: Help with regexp The Natural Philosopher <tnp@invalid.invalid> - 2021-08-06 19:10 +0100
  Re: Help with regexp Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2021-08-07 21:56 +0200
    Re: Help with regexp Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2021-08-07 22:02 +0200
    Re: Help with regexp Andrew Poulos <ap_prog@hotmail.com> - 2021-08-09 13:13 +1000
      Re: Help with regexp Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2021-08-10 13:45 +0200
        Re: Help with regexp Jon Ribbens <jon+usenet@unequivocal.eu> - 2021-08-10 12:28 +0000
          Re: Help with regexp Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2021-08-11 16:03 +0200

csiph-web