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<?php $someEmoji = "([\x{1F602}-\x{1F64F}]+)xu"; $result = preg_match($someEmoji, "foo \u{1F602}", $matches, PREG_OFFSET_CAPTURE); var_dump($matches); $someEmoji = "([\u{1F602}-\u{1F64F}]+)xu"; $result = preg_match($someEmoji, "foo \u{1F602}", $matches, PREG_OFFSET_CAPTURE); var_dump($matches); // codepoints in php $someEmoji = "([\u{1F602}-\u{1F64F}]+)xu"; $result = preg_match($someEmoji, "foo \u{1F602}", $matches, PREG_OFFSET_CAPTURE); var_dump($matches);
Output for git.master_jit, git.master, rfc.property-hooks
array(1) { [0]=> array(2) { [0]=> string(4) "😂" [1]=> int(4) } } array(1) { [0]=> array(2) { [0]=> string(4) "😂" [1]=> int(4) } } array(1) { [0]=> array(2) { [0]=> string(4) "😂" [1]=> int(4) } }

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