RegEx match open tags except XHTML self-contained tags

You can't parse [X]HTML with regex. Because HTML can't be parsed by regex. Regex is not a tool that can be used to correctly parse HTML. As I have answered in HTML-and-regex questions here so many times before, the use of regex will not allow you to consume HTML. Regular expressions are a tool that is insufficiently sophisticated to understand the constructs employed by HTML. HTML is not a regular

[stp7]

ベストアンサー、狂気を感じる

[Windymelt]

謎のHTML

[taninsw]

HTMLは正規表現ではパースできない。どうだやってみろ、といわんばかりの回答

[mattn]

ごめんなさいごめんなさい

[youpy]

via koyachi