How do I read a text file and convert the dates and time?

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Sonima
Sonima 2018-7-25
编辑： Sonima 2019-8-15
Hi! I have a text file that includes the following:
2015-06-18 12:00

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jonas
jonas 2018-7-25
编辑：jonas 2018-7-25
Your format string is wrong, try
datenum(tt,'yyyy-mm-dd HH:MM');
better yet, use datetime

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Peter Perkins
Peter Perkins 2018-8-3
It's likely that you want to read the file using readtable, and if you are using a recent version of MATLAB, you will get datetimes automatically. If not, you can convert to datetime after importing.
You are better off using datetime than datenum.

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