KeyframeSelector.php at 1.25.1 · Independent Analytics – WordPress Analytics Plugin

independent-analytics / vendor / sabberworm / php-css-parser / src / Property / KeyframeSelector.php

KeyframeSelector.php

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1	<?php
2
3	namespace IAWP_SCOPED\Sabberworm\CSS\Property;
4
5	class KeyframeSelector extends Selector
6	{
7	/**
8	* regexp for specificity calculations
9	*
10	* @var string
11	*/
12	const SELECTOR_VALIDATION_RX = '/
13	^(
14	(?:
15	[a-zA-Z0-9\\x{00A0}-\\x{FFFF}_^$\|="\'~\\[\\]()\\-\\s\\.:#+>] # any sequence of valid unescaped characters
16	(?:\\\\.)? # a single escaped character
17	(?:([\'"]).*?(?<!\\\\)\\2)? # a quoted text like [id="example"]
18	)*
19	)\|
20	(\\d+%) # keyframe animation progress percentage (e.g. 50%)
21	$
22	/ux';
23	}
24