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Date: Tue, 29 Jul 2025 07:55:06 +0530
Message-ID: <CANLbj-oa8BnZPmo53YJxpoqg_fwaA6zT8XX4u-eTNrJg181t6g@mail.gmail.com>
Subject: Re: [PHP-DEV] pcre extended character class support
To: Niels Dossche <dossche.niels@gmail.com>
Cc: PHP internals <internals@lists.php.net>
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From: ayesh@php.watch (Ayesh Karunaratne)

>
> The reason this is opt-in in pcre2lib, is because the interpretation of existing regexes may change.
> This standard is being adopted in other languages too, also opt-in, for example in JavaScript [1].
> To expose this functionality in PHP, we also have to make it opt-in via a modifier.
>

Hi Niels,
I'm also very much in favor of adding it too. Thank you.

In JavaScript, all current browsers seem to support[^1] it, and at
least for Firefox, it even defaults[^2] to the `/v` flag for the HTML
input `pattern` attribute.

[^1]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/unicodeSets
[^2]: https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Attributes/pattern