how to search and match
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i have 4 columns currently and I am using strfind to help find a string and print out the corresponding values . for example,
column a contains [a,b,c,d,e]
column b contains [a-1,a-2, a-3, b, c-4, c-5,...]
i would like column a to print out to the corresponding values in a, so in column a, a should be printed 3x.
how can i do this.