[EDIT] FILE: Rfc7230.php

<?php declare(strict_types=1); namespace GuzzleHttp\Psr7; /** * @internal */ final class Rfc7230 { /** * Header related regular expressions (based on amphp/http package) * * Note: header delimiter (\r\n) is modified to \r?\n to accept line feed only delimiters for BC reasons. * * @see https://github.com/amphp/http/blob/v1.0.1/src/Rfc7230.php#L12-L15 * * @license https://github.com/amphp/http/blob/v1.0.1/LICENSE */ public const HEADER_REGEX = "(^([^()<>@,;:\\\"/[\]?={}\x01-\x20\x7F]++):[ \t]*+((?:[ \t]*+[\x21-\x7E\x80-\xFF]++)*+)[ \t]*+\r?\n)m"; public const HEADER_FOLD_REGEX = "(\r?\n[ \t]++)"; }
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