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598.Text file parser -- How to extract all lines in which the first character is the same as last character?

User: editor -- 2010-08-26          << 597  599 >>
Hits: 279
Type: Text file parser   
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Description:
How to extract all lines in which the first character is the same as last character?
How to extract all lines that has format of X******X from a text file, "X*****X" means the first character is the same as last character.
Input Sample:
about
aha
blog
dad
too hot
replace pioneer
Output Sample:
aha
dad
too hot
replace pioneer
Answer:
Hint: You need to Download and install "Replace Pioneer" on windows platform to finish following steps.
1. ctrl-o open source text file
2. ctrl-h open replace window
* set 'replace unit' to 'Line'
* set 'search for pattern' to:

* set 'replace with pattern' to:

* uncheck 'Print unmatched unit' option
3. click 'Replace', done!
4. ctrl-s save to file

Screenshot 1:  Replace_Window


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