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Hello,

We think the problem is that you need to include all characters (<, >, :...), not only letters, numbers, _ ... as set in [A-Z0-9\s\-_]

If we try a more generic regex using your regex as base:

\{\{(?:#){0,1}(?:.)+\}\}

The placeholder in the XML is returned correctly.

Also note that this regular expression (and the new one you have posted) will match if you have {{ and }}, but MS Word may break them, for example:

<w:r>
   <w:rPr>
      <w:b w:val="false"/>
      <w:bCs w:val="false"/>
   </w:rPr>
   <w:t>{</w:t>
</w:r>
<w:r>
   <w:rPr>
      <w:b w:val="false"/>
      <w:bCs w:val="false"/>
   </w:rPr>
   <w:t>{USER</w:t>
</w:r>
<w:r>
   <w:rPr/>
   <w:t>_N</w:t>
</w:r>
<w:r>
   <w:rPr>
      <w:b w:val="false"/>
      <w:bCs w:val="false"/>
   </w:rPr>
   <w:t>A</w:t>
</w:r>
<w:r>
   <w:rPr/>
   <w:t>ME}</w:t>
</w:r>
<w:r>
   <w:rPr/>
   <w:t>}</w:t>
</w:r>

A more generic regex would be:

\{(?:.)*\{(?:#){0,1}(?:.)+\}(?:.)*\}

The easiest approach is using a single symbol ($, |, @...) or the default ${ } to wrap placeholders; in these cases you don't need to change the default regex. But if you want to customize it using {{ }} or others such as {[ ]}, $[ ]$ then a generic regex such as the previous one must be generated.

Regards.