I need to strip all html tags from a string except <sub></sub> & <sup></sup>
tags.
Suppose if a string is "<p>Hello world</p> <span class="required">H<sub>2</sub>O</span>"
Output should be Hello world H<sub>2</sub>O
您可能会发现使用Html Agility Pack更容易使用正则表达式,而不是使用正则表达式,它可以为您提供读/写DOM 。
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