Apologies for the extremely basic question, but I am struggling with
this after searching NuVoc and the dictionary.

How do I locate all the indices of 'ab' in arr?

arr=:10 $ > ;: 'ab cd yyy'

surely this isn't the best way:

] (3 = +/"1 'ab' i. arr) # arr
ab
ab
ab
ab


I have been primarily dealing with boxed strings up to this point,
which seemed easier since it was locating an atom in a list, not a
list in a table (practicing my vocabulary here... I might be wrong
though)


Thanks,
Joe
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