strcmp.RdCompare two strings or character vectors for equality.
strcmp(s1, s2)
strcmpi(s1, s2)For strcmp comparisons are case-sensitive, while for strcmpi
the are case-insensitive. Leading and trailing blanks do count.
logical, i.e. TRUE if s1 and s2 have the same length
as character vectors and all elements are equal as character strings, else
FALSE.