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Extract out regex from PhabricatorRemarkupRuleMention

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Summary:
I'd like to use this regex elsewhere and copying and pasting is
bad.

Test Plan: none

Reviewers: casey, epriestley

Reviewed By: epriestley

CC: aran, epriestley

Differential Revision: https://secure.phabricator.com/D2038
This commit is contained in:
Paul Tarjan 2012-03-27 22:23:16 -07:00
parent e696619dd1
commit fa2467e8fe
1 changed files with 9 additions and 9 deletions
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18
src/infrastructure/markup/remarkup/markuprule/mention/PhabricatorRemarkupRuleMention.php
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@ -27,17 +27,17 @@ final class PhabricatorRemarkupRuleMention
const KEY_MENTIONED = 'phabricator.mentioned-user-phids';
// NOTE: Negative lookahead for period prevents us from picking up email
// addresses, while allowing constructs like "@tomo, lol". The negative
// lookbehind for a word character prevents us from matching "mail@lists"
// while allowing "@tomo/@mroch". The negative lookahead prevents us from
// matching "@joe.com" while allowing us to match "hey, @joe.".
const REGEX = '/(?<!\w)@([a-zA-Z0-9]+)\b(?![.]\w)/';
public function apply($text) {
// NOTE: Negative lookahead for period prevents us from picking up email
// addresses, while allowing constructs like "@tomo, lol". The negative
// lookbehind for a word character prevents us from matching "mail@lists"
// while allowing "@tomo/@mroch". The negative lookahead prevents us from
// matching "@joe.com" while allowing us to match "hey, @joe.".
$regexp = '/(?<!\w)@([a-zA-Z0-9]+)\b(?![.]\w)/';
return preg_replace_callback(
$regexp,
self::REGEX,
array($this, 'markupMention'),
$text);
}