<?php

namespace _JchOptimizeVendor\V91;

/**
* PCRE Regular expressions for UTF-8. Note this file is not actually used by
* the rest of the library but these regular expressions can be useful to have
* available.
* @see http://www.w3.org/International/questions/qa-forms-utf-8
* @package utf8
*/

//--------------------------------------------------------------------
/**
* PCRE Pattern to check a UTF-8 string is valid
* Comes from W3 FAQ: Multilingual Forms
* Note: modified to include full ASCII range including control chars
* @see http://www.w3.org/International/questions/qa-forms-utf-8
* @package utf8
*/
$UTF8_VALID = '^(' . '[\x00-\x7F]' . '|[\xC2-\xDF][\x80-\xBF]' . '|\xE0[\xA0-\xBF][\x80-\xBF]' . '|[\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}' . '|\xED[\x80-\x9F][\x80-\xBF]' . '|\xF0[\x90-\xBF][\x80-\xBF]{2}' . '|[\xF1-\xF3][\x80-\xBF]{3}' . '|\xF4[\x80-\x8F][\x80-\xBF]{2}' . ')*$';
//--------------------------------------------------------------------
/**
* PCRE Pattern to match single UTF-8 characters
* Comes from W3 FAQ: Multilingual Forms
* Note: modified to include full ASCII range including control chars
* @see http://www.w3.org/International/questions/qa-forms-utf-8
* @package utf8
*/
$UTF8_MATCH = '([\x00-\x7F])' . '|([\xC2-\xDF][\x80-\xBF])' . '|(\xE0[\xA0-\xBF][\x80-\xBF])' . '|([\xE1-\xEC\xEE\xEF][\x80-\xBF]{2})' . '|(\xED[\x80-\x9F][\x80-\xBF])' . '|(\xF0[\x90-\xBF][\x80-\xBF]{2})' . '|([\xF1-\xF3][\x80-\xBF]{3})' . '|(\xF4[\x80-\x8F][\x80-\xBF]{2})';
# plane 16
//--------------------------------------------------------------------
/**
* PCRE Pattern to locate bad bytes in a UTF-8 string
* Comes from W3 FAQ: Multilingual Forms
* Note: modified to include full ASCII range including control chars
* @see http://www.w3.org/International/questions/qa-forms-utf-8
* @package utf8
*/
$UTF8_BAD = '([\x00-\x7F]' . '|[\xC2-\xDF][\x80-\xBF]' . '|\xE0[\xA0-\xBF][\x80-\xBF]' . '|[\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}' . '|\xED[\x80-\x9F][\x80-\xBF]' . '|\xF0[\x90-\xBF][\x80-\xBF]{2}' . '|[\xF1-\xF3][\x80-\xBF]{3}' . '|\xF4[\x80-\x8F][\x80-\xBF]{2}' . '|(.{1}))';
# invalid byte
