JezK
Edit File: Rfc9110.php
<?php declare(strict_types=1); namespace GuzzleHttp\Psr7; /** * @internal */ final class Rfc9110 { /** * A token for use in a regular expression. * * @see https://datatracker.ietf.org/doc/html/rfc9110#section-5.6.2 */ public const TOKEN_PATTERN = '[!#$%&\'*+.^_`|~0-9A-Za-z-]+'; /** * A field value for use in a regular expression. * * Obsolete line folding is intentionally excluded. * * @see https://datatracker.ietf.org/doc/html/rfc9110#section-5.5 */ public const FIELD_VALUE_PATTERN = '[\x09\x20-\x7E\x80-\xFF]*'; private function __construct() { } public static function isToken(string $value): bool { return preg_match('/^'.self::TOKEN_PATTERN.'$/D', $value) === 1; } public static function isFieldValue(string $value): bool { return preg_match('/^'.self::FIELD_VALUE_PATTERN.'$/D', $value) === 1; } }