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230.Advanced search and replace -- How to reverse all cases of letters in a text file?

User: editor -- 2008-07-21
Hits: 200
Type: Advanced search and replace   
Search all Advanced search and replace examples
Description:
How to reverse all cases of letters in a text file?
Input Sample:
This is JUST a test.
Output Sample:
tHIS IS just A TEST.
Answer:
Hint: You need to Download and install "Replace Pioneer" to finish following steps.
1. ctrl-o open source file.
2. ctrl-h open 'Replace' dialog:

*in 'Replace' page:
set 'Search for Pattern' to:

set 'Replace with pattern' to:


*select advanced page:
set 'Run following for each matched unit' to:


3. Click 'Replace', done!

Explanation:

if ($match =~ /[A-Z]/) { $A=lc($match); } else { $A=uc($match);}
above is a perl statement, means if the matched text match A-Z, change it to lowercase(lc($match)), otherwise change to upper case.
Download Script:  scripts/230.rst.zip

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Check Demo of Advanced search and replace