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/**
* @author Titus Wormer
* @copyright 2015 Titus Wormer
* @license MIT
* @module remark:parse:util:html
* @fileoverview HTML regexes.
*/
'use strict';
var attributeName = '[a-zA-Z_:][a-zA-Z0-9:._-]*';
var unquoted = '[^"\'=<>`\\u0000-\\u0020]+';
var singleQuoted = '\'[^\']*\'';
var doubleQuoted = '"[^"]*"';
var attributeValue = '(?:' + unquoted + '|' + singleQuoted + '|' + doubleQuoted + ')';
var attribute = '(?:\\s+' + attributeName + '(?:\\s*=\\s*' + attributeValue + ')?)';
var openTag = '<[A-Za-z][A-Za-z0-9\\-]*' + attribute + '*\\s*\\/?>';
var closeTag = '<\\/[A-Za-z][A-Za-z0-9\\-]*\\s*>';
var comment = '<!---->|<!--(?:-?[^>-])(?:-?[^-])*-->';
var processing = '<[?].*?[?]>';
var declaration = '<![A-Za-z]+\\s+[^>]*>';
var cdata = '<!\\[CDATA\\[[\\s\\S]*?\\]\\]>';
exports.openCloseTag = new RegExp('^(?:' + openTag + '|' + closeTag + ')');
exports.tag = new RegExp('^(?:' +
openTag + '|' +
closeTag + '|' +
comment + '|' +
processing + '|' +
declaration + '|' +
cdata +
')');
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