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62.Advanced search and replace -- How to remove/delete all words other than 'this','that' and 'how' in a file?

User: Editor -- 2008-05-06          << 61  63 >>
Hits: 3383
Type: Advanced search and replace   
Search all Advanced search and replace examples
How to remove all words other than 'this','that' and 'how' in a file?
Input Sample:
This is line1 
That is line2 
How many lines  
That's all 
End of text
Output Sample:
This That How That 
Hint: You need to Download and install "Replace Pioneer" on windows platform to finish following steps. ctrl-o to open source file ctrl-h to open replace dialog, set as follows:  
In 'Replace' page:  
* Search for pattern: 
Note: @ means ignore case, | means 'or' 
* Uncheck 'Print unmatch Unit' 
Note: uncheck it means do not copy unmatch text to output.  
* Replace with pattern 
3. click 'Replace' Button, ok 
Note: in newer version, you can check option of 'ignore cases' instead of adding '@' behind
Download Script:  scripts/

Screenshot 1:  Replace_Window

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