I don't understand. Can you say which of the following cases are good candidates to divide string?

K R
K P
K any_other_char
P K
P R
P any_char
R K
R P
R any_char

I think look-ahead assertion will be the solution for your problem, but please asnwer above question first.

In reply to Re: cleaving a sequence with specific alphabets by grizzley
in thread cleaving a sequence with specific alphabets by heidi

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