VMS Help RTL Routines, STR$, STR$FIND_FIRST_SUBSTRING  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    The Find First Substring in Input String routine finds the first
    substring (in a provided list of substrings) occurring in a given
    string.

    Format

      STR$FIND_FIRST_SUBSTRING  source-string ,index ,substring-index

                                ,substring [,substring...]

  Additional Information (explode) :

• Returns
• Arguments