Regular expression to match ">", "<", "&" chars that appear inside XML nodes I

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Editorial Team

Asked: May 16, 20262026-05-16T21:41:08+00:00 2026-05-16T21:41:08+00:00

I have an almost indentical problem to this – however, I am using C#.

I’m not here to argue the validity of the XML.

What gets sent in is out of my control.

Input XML:

<PNODE> 
  <CNODE>This string contains > and < and & chars.</cnode> 
</PNODE>

I need it to look like this:

<PNODE> 
  <CNODE>This string contains &gt; and &lt and &amp; chars.</CNODE> 
</PNODE>

It looks like the guy found a solution for PHP- which doesn’t help me.

However, I need to find a way escape the &, > and < characters inside the node, but leave the tag declarations alone.

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Editorial Team · Answer 1 · 2026-05-16T21:41:09+00:00

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