[R] how to select all columns that contain in any of their rows a partial match for a string?
@okov|c@@n@m@r|j@ @end|ng |rom gm@||@com
Sat Oct 5 20:50:59 CEST 2019
I have a data frame tot which has many columns and many rows.
I am trying to find all columns that have say a value in any of their
rows that STARTS WITH: "E94"
for example there are columns like this:
 NA "E9420"
but this didn't return me anything. Data type in those columns is character.
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