Windows 10, Emacs 25.1
Suppose I has text:
Advertisment d184f52a-14d7-dddddddddd
ZAnelik 1c970d12-6c67-44e1-cccccccccccc
Avers b0f0dd6b-a43f-4e40-b0ebbbbbbbbb
BAVERS_MIGOM_OLD 473aaaaaaaaaaa5a-b6df-d5d38327e4ed
I need to extract text in the first column. So result must be
Advertisment
ZAnelik
Avers
BAVERS_MIGOM_OLD
How I can do this?