How can I delete everything after the first column in Notepad++?

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Track title: Life in a Drop

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Chapters
00:00 Question
00:44 Accepted answer (Score 63)
01:47 Answer 2 (Score 99)
02:16 Answer 3 (Score 40)
02:51 Answer 4 (Score 11)
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Full question
https://superuser.com/questions/800136/h...

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Tags
#script #notepad++ #regex

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