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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for July 29th, 2015

Repeating the same expression multiple in RegEx search, and replace it only one time – via: Stack Overflow

Posted by jpluimers on 2015/07/29

I’m really really glad that Lucas Trzesniewski has answered this:

While most regex flavours have roughly a similar syntax for the basic features, there is not a clear standard as to the syntax of the replacement strings. Some tools use \1 for referencing strings, others use $1 and so on.

As you use Notepad++, you should know it uses the boost library for its regex implementation, and it uses the Boost-Extended format string for the replacement pattern.

In particular, the placeholder for the nth capture group is $n.

And my comment:

Thanks a lot for that. I found a bit more information about back references and capture groups in various libraries on regular-expressions.info/replacebackref.html.

on my question: Read the rest of this entry »

Posted in Development, RegEx, Software Development | Leave a Comment »

 
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