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1246.Regular expression replace -- How to replace line that contains no space?

User: Dilip -- 2014-09-08          << 1245  1247 >>
Hits: 1054
Type: Regular expression replace   
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If the full or whole line in a text file does not contain space replace it with a
<---line removed--->
Input Sample:
Audi Car
Benz Car
Output Sample:
Audi Car
<---line removed--->
Benz Car
<---line removed--->
Hint: You need to Download and install "Replace Pioneer" on windows platform to finish following steps.
1. ctrl-o open text file
2. ctrl-h open 'replace' dialogue
* set 'replace unit' to 'Line'
* set 'search for pattern' to:

* set 'replace with pattern' to:

3. click 'replace', done.

Screenshot 1:  Replace_Window

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