Can Notepad++ convert strings matched regular expression to lowercase?

Question

I have a C++ source file that uses functions of the form getMemberName() to return member data. Instead, I\'d like to use memberName().

In order to match instances

Answer 1

Here is a very basic HTML tag converter (to lower case):

Left click Search->Replace (or CTRL H).

Enter the following in the appropriate fields:

Find what: <([^>]+?)>

Replace with: <\L\1>

Left click Replace All.

Done

Answer 2

Note: This feature is available in Notepad++ via the \L\1\E regex substitution pattern.

• \L lowercase on
• \2 for matching group 2
• \E lowercase off, in case you have any further replacements.

See Novices answer and the notepad++ wiki for details

---

There is, as usual, another way. This can be done in Notepad++ with the PythonScript plugin, as well as anything else a little beyond the scope of what's available in notepad++ without having to write a full plugin.

First, install the PythonScript plugin in Notepad++

Plugins > Plugin Manager > Show Plugin Manager

Check "Python Script" in the "Available" tab and click "Install" then restart Notepad++

Then setup a Python script

Plugins > Python Script > New Script

Give it a useful name

Add the following code

# Start a sequence of actions that is undone and redone as a unit. May be nested.
editor.beginUndoAction()

# trimFunctionName - for editor.pysearch
def trimFunctionName( index, match ):
    editor.pyreplace( match.re, match.group(1) + match.group(2).lower(), 1, 0, index, index )
    
# I couldn't work out how to jam the .lower call into a editor.pyreplace() 
# so used editor.pysearch() to check the regex and run a function with match 
# information
editor.pysearch(r'(\s+)get([A-Z])', trimFunctionName )

# end the undo sequence
editor.endUndoAction()

Then run the script.

Plugins > Python Script > Scripts > "yourScript"

You can prompt for user input or do a myriad of other things to scintilla with the provided objects

Answer 3

Yes you should write a Perl script for that. The built in regex engine is not powerful enough to handle something like this.