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    <p><a href="https://stackoverflow.com/questions/1736706/regex-to-get-value-within-tag/1736756#1736756">Why don't you use an HTML parser for this</a>?</p> <blockquote> <p><strong>You should be using an <a href="http://forums.macrumors.com/showthread.php?t=244288" rel="nofollow noreferrer">XML parser</a>, <a href="https://stackoverflow.com/questions/542455/regex-to-indent-an-xml-file/542708#542708">not regexes</a>. <a href="https://stackoverflow.com/questions/1357357/regexp-to-add-attribute-in-any-xml-tags/1357393#1357393">XML is not a regular language</a>, <a href="https://stackoverflow.com/questions/968919/when-not-to-use-regex-in-c-or-java-c-etc">hence not easely parseable</a> by <a href="https://stackoverflow.com/questions/701166/can-you-provide-some-examples-of-why-it-is-hard-to-parse-xml-and-html-with-a-rege">a regular expression</a>. <a href="https://stackoverflow.com/questions/590747/using-regular-expressions-to-parse-html-why-not">Don't do it</a>.</strong></p> <blockquote> <p><a href="https://stackoverflow.com/questions/357814/when-is-it-best-to-use-regular-expressions-over-basic-string-spliting-substring/357847#357847">Never use regular expressions or basic string parsing to process XML</a>. Every language in common usage right now has perfectly good XML support. XML is a deceptively complex standard and it's unlikely your code will be correct in the sense that it will properly parse all well-formed XML input, and even it if does, you're wasting your time because (as just mentioned) every language in common usage has XML support. It is unprofessional to use regular expressions to parse XML.</p> </blockquote> </blockquote>
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    1. POCapture a part of a string that does not match another group (C# Regex)
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    1. COIt's not valid HTML, so that wouldn't help.
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    2. COThere are HTML parsers that can handle invalid input.
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    3. COYes, usually by ignoring unknown tags. How would a HTML parser handle input like "<b> foo <u> bar </ub> baz <bu> qux </u> quux </b>"? I would think it would try to match the start and end <b> </b> tags, but in this case that behaviour is not wanted. 'baz' is not within any <b> tags.
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