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Posted: **Mon Dec 17, 2012 12:41 pm**

How can I delete every other row in a large text file?

Posted: **Mon Dec 17, 2012 1:08 pm**

Use "Posix" regular expression syntax:

Configure | Preferences | Editor

[X] Use POSIX regular expression syntax

Search | Replace... (<F8>):

Find what: (.*)\n.*\n
Replace with: \1\n

[X] Regular expression

Replace All

or, if you want the other ones,

Find what: .*\n(.*)\n
Replace with: \1\n

[X] Regular expression

Replace All

Delete every other row