VERIFY

VERIFY

Returns the position of the first character that is unique to an expression

Category: Character

Syntax
Arguments
Details
Examples

Syntax

VERIFY(source,excerpt-1<,...excerpt-n>)

Arguments

source: specifies any SAS character expression.
excerpt: specifies any SAS character expression. If you specify more than one excerpt, separate them with a comma.

Details

The VERIFY function returns the position of the first character in source that is not present in any excerpt. If VERIFY finds every character in source in at least one excerpt, it returns a 0.

Examples

SAS Statements Results

data scores; input Grade : $1. @@; check='abcdf'; if verify(grade,check)>0 then put @1 'INVALID ' grade=; datalines; a b c b c d f a a q a b d d b ;

INVALID Grade=q

SAS Statements	Results
data scores; input Grade : $1. @@; check='abcdf'; if verify(grade,check)>0 then put @1 'INVALID ' grade=; datalines; a b c b c d f a a q a b d d b ;	INVALID Grade=q

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