Determine if a string is collapsible: Difference between revisions

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(This Rosetta Code task was inspired by a newly introduced   (as of around November 2019)   '''PL/I'''   BIF:   '''collapse''').
{This Rosetta Code task was inspired by a newly introduced   (as of around November 2019)   '''PL/I'''   BIF:   '''collapse'''.}




Retrieved from "https://rosettacode.org/wiki/Determine_if_a_string_is_collapsible"