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<?php $attrPattern = '/([a-z-]*)=(["\']??)([^"\']*?)\\2/siU'; $attr = 'target="_parent" data-bar="baz"'; preg_match_all($attrPattern, $attr, $matches, PREG_SET_ORDER ^ PREG_OFFSET_CAPTURE); var_dump($matches);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(2) { [0]=> array(4) { [0]=> array(2) { [0]=> string(16) "target="_parent"" [1]=> int(0) } [1]=> array(2) { [0]=> string(6) "target" [1]=> int(0) } [2]=> array(2) { [0]=> string(1) """ [1]=> int(7) } [3]=> array(2) { [0]=> string(7) "_parent" [1]=> int(8) } } [1]=> array(4) { [0]=> array(2) { [0]=> string(14) "data-bar="baz"" [1]=> int(17) } [1]=> array(2) { [0]=> string(8) "data-bar" [1]=> int(17) } [2]=> array(2) { [0]=> string(1) """ [1]=> int(26) } [3]=> array(2) { [0]=> string(3) "baz" [1]=> int(27) } } }

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