29 lines
1.0 KiB
JavaScript
29 lines
1.0 KiB
JavaScript
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// Regexps to match html elements
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'use strict';
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var attr_name = '[a-zA-Z_:][a-zA-Z0-9:._-]*';
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var unquoted = '[^"\'=<>`\\x00-\\x20]+';
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var single_quoted = "'[^']*'";
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var double_quoted = '"[^"]*"';
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var attr_value = '(?:' + unquoted + '|' + single_quoted + '|' + double_quoted + ')';
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var attribute = '(?:\\s+' + attr_name + '(?:\\s*=\\s*' + attr_value + ')?)';
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var open_tag = '<[A-Za-z][A-Za-z0-9\\-]*' + attribute + '*\\s*\\/?>';
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var close_tag = '<\\/[A-Za-z][A-Za-z0-9\\-]*\\s*>';
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var comment = '<!---->|<!--(?:-?[^>-])(?:-?[^-])*-->';
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var processing = '<[?][\\s\\S]*?[?]>';
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var declaration = '<![A-Z]+\\s+[^>]*>';
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var cdata = '<!\\[CDATA\\[[\\s\\S]*?\\]\\]>';
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var HTML_TAG_RE = new RegExp('^(?:' + open_tag + '|' + close_tag + '|' + comment +
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'|' + processing + '|' + declaration + '|' + cdata + ')');
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var HTML_OPEN_CLOSE_TAG_RE = new RegExp('^(?:' + open_tag + '|' + close_tag + ')');
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module.exports.HTML_TAG_RE = HTML_TAG_RE;
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module.exports.HTML_OPEN_CLOSE_TAG_RE = HTML_OPEN_CLOSE_TAG_RE;
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