Automattic\WooCommerce\Vendor\Sabberworm\CSS\Property

KeyframeSelector{} │ WC 1.0└─ Selector

No Hooks.

Usage

$KeyframeSelector = new KeyframeSelector();
// use class methods

Methods

No Methods in class.

KeyframeSelector{} code WC 10.5.0

woocommerce/lib/packages/Sabberworm/CSS/Property/KeyframeSelector.php 
class KeyframeSelector extends Selector
{
    /**
     * regexp for specificity calculations
     *
     * @var string
     *
     * @internal since 8.5.2
     */
    const SELECTOR_VALIDATION_RX = '/
    ^(
        (?:
            [a-zA-Z0-9\x{00A0}-\x{FFFF}_^$|*="\'~\[\]()\-\s\.:#+>]* # any sequence of valid unescaped characters
            (?:\\\\.)?                                              # a single escaped character
            (?:([\'"]).*?(?<!\\\\)\2)?                              # a quoted text like [id="example"]
        )*
    )|
    (\d+%)                                                          # keyframe animation progress percentage (e.g. 50%)
    $
    /ux';
}