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Functions and CALL Routines

VERIFY Function



Returns the position of the first character in a string that is not in any of several other strings.
Category: Character
Restriction: I18N Level 0
Tip: DBCS equivalent function is KVERIFY in SAS National Language Support (NLS): Reference Guide.

Syntax
Arguments
Details
Examples
See Also

Syntax

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


Arguments

source

specifies a character constant, variable, or expression.

excerpt

specifies a character constant, variable, or 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


See Also

Functions:

FINDC Function

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