Hi all,
I am given the a data frame in which one of the columns has more information
together- see column 4, peak_loc:
  chr  start    end              peak_loc cluster_TC strand peak_TC
1 chr1 564620 564649 chr1:564644..564645,+         94      +      10
2 chr1 565369 565404 chr1:565371..565372,+        217      +       8
3 chr1 565463 565541 chr1:565480..565481,+       1214      +      15
4 chr1 565653 565697 chr1:565662..565663,+       1031      +      28
5 chr1 565861 565922 chr1:565883..565884,+        316      +      12
6 chr1 566537 566573 chr1:566564..566565,+        119      +      11


 I am trying to find out if there's a way to extract the coordinates given
in the 4th column and replace this column with two others that would have
the start coord and the end coord. so instead of chr1:564644..564645,+
I would obtain;
start_peak  end_peak
564644       564645

Best,
nanami

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