%INDEX

%INDEX

Returns the position of the first character of a string

Type: Macro function

Syntax
Details
Example
	Locating a Character

Syntax

%INDEX (source,string)

source: is a character string or text expression.
string: is a character string or text expression.

Details

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.

Example

Example 1: Locating a Character

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..;

Executing these statements writes to the SAS log:

V appears at position 3.

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