Returns the position of the first character of a string.
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source
-
is a character string or text expression.
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string
-
is a character string or text expression.
The %INDEX function searches source for the first occurrence of string
and returns the position of its first character. If string
is not found, the function returns 0.
The
following statements find the first character V
in a string:
%let a=a very long value;
%let b=%index(&a,v);
%put V appears at position &b..;
When these statements execute, the following line is
written to the SAS log:
V appears at position 3.
Copyright © 2009 by SAS Institute Inc., Cary, NC, USA. All rights reserved.
