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<?php class Foo { public const FILENAME_REGEX = <<<REGEX (("([^"]+)")|('([^']+)')|([\x21\x23-\x27\x2A\x2B\x2D\x2E\x30-\x39\x41-\x5A\x5E-\x7E]+)) REGEX; } echo Foo::FILENAME_REGEX.PHP_EOL; class Bar { public const FILENAME_REGEX = <<<REGEX (("([^"]+)")|('([^']+)')|([\\x21\\x23-\\x27\\x2A\\x2B\\x2D\\x2E\\x30-\\x39\\x41-\\x5A\\x5E-\\x7E]+)) REGEX; } echo Bar::FILENAME_REGEX.PHP_EOL;
Output for git.master_jit, git.master
(("([^"]+)")|('([^']+)')|([!#-'*+-.0-9A-Z^-~]+)) (("([^"]+)")|('([^']+)')|([\x21\x23-\x27\x2A\x2B\x2D\x2E\x30-\x39\x41-\x5A\x5E-\x7E]+))

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