Functions That Compare Strings (Exact and “Fuzzy” Comparisons)
Functions in this section enable you to compare strings that are exactly alike (similar except for case) or close (not exact matches). Programmers find this latter group of functions useful in matching names that may be spelled differently in separate files.
Function: COMPARE
Purpose: To compare two character strings. When used with one or more modifiers, this function can ignore case, remove leading blanks, truncate the longer string to the length of the shorter string, and strip quotation marks from SAS n-literals. While all of these tasks can be accomplished with a variety of SAS functions, use of the COMPARE function can simplify character comparisons.
Syntax: COMPARE( ...
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