How to replace multiple spaces by one tab

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Chapters
00:00 Question
00:26 Accepted answer (Score 42)
01:13 Answer 2 (Score 10)
01:36 Answer 3 (Score 6)
01:55 Answer 4 (Score 2)
02:11 Thank you

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Full question
https://superuser.com/questions/241018/h...

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Tags
#linux #bash #textmanipulation

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