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authorruki <waruqi@gmail.com>2018-11-08 00:38:48 +0800
committerruki <waruqi@gmail.com>2018-11-07 21:53:09 +0800
commit26105034da4fcce7ac883c899d781f016559310d (patch)
treec459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/markdown-it/lib/common/html_re.js
parent2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff)
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+// Regexps to match html elements
+
+'use strict';
+
+var attr_name = '[a-zA-Z_:][a-zA-Z0-9:._-]*';
+
+var unquoted = '[^"\'=<>`\\x00-\\x20]+';
+var single_quoted = "'[^']*'";
+var double_quoted = '"[^"]*"';
+
+var attr_value = '(?:' + unquoted + '|' + single_quoted + '|' + double_quoted + ')';
+
+var attribute = '(?:\\s+' + attr_name + '(?:\\s*=\\s*' + attr_value + ')?)';
+
+var open_tag = '<[A-Za-z][A-Za-z0-9\\-]*' + attribute + '*\\s*\\/?>';
+
+var close_tag = '<\\/[A-Za-z][A-Za-z0-9\\-]*\\s*>';
+var comment = '<!---->|<!--(?:-?[^>-])(?:-?[^-])*-->';
+var processing = '<[?].*?[?]>';
+var declaration = '<![A-Z]+\\s+[^>]*>';
+var cdata = '<!\\[CDATA\\[[\\s\\S]*?\\]\\]>';
+
+var HTML_TAG_RE = new RegExp('^(?:' + open_tag + '|' + close_tag + '|' + comment +
+ '|' + processing + '|' + declaration + '|' + cdata + ')');
+var HTML_OPEN_CLOSE_TAG_RE = new RegExp('^(?:' + open_tag + '|' + close_tag + ')');
+
+module.exports.HTML_TAG_RE = HTML_TAG_RE;
+module.exports.HTML_OPEN_CLOSE_TAG_RE = HTML_OPEN_CLOSE_TAG_RE;