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1016.Advanced search and replace -- How to delete lines that start with duplicate text?

User: Jamie -- 2012-10-17          << 1015  1017 >>
Hits: 1274
Type: Advanced search and replace   
Search all Advanced search and replace examples
Description:
How to delete lines that start with duplicate text?
Input Sample:
1.text
111 4545667576887876867876876867
111 7887686786786786786787687876
112 4334808598458493598459349589
113 4359058435743857348573485735
113 4594593459495394539459345934
113 5584853858345893458583085385
114 3459359345934594395439594353
Output Sample:
111 4545667576887876867876876867
112 4334808598458493598459349589
113 4359058435743857348573485735
114 3459359345934594395439594353
Answer:
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:

* click 'advanced' tab
* set 'run following at the beginning of replace' to:

* set 'run following for each matched unit' to:

3. click 'replace', done!

Screenshot 1:  Replace_Window


Screenshot 2:  Replace_Advanced_Window


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