CALL PRXFREE Routine

Frees unneeded memory that was allocated for a Perl regular expression

Category: Character String Matching

Restriction: Use with the PRXPARSE function

Syntax

CALL PRXFREE ( regular-expression -id );

Arguments

regular-expression-id

specifies a numeric identification number that is returned by the PRXPARSE function. regular-expression-id is set to missing if the call to the PRXFREE routine occurs without error.

Details

The CALL PRXFREE routine frees unneeded resources that were allocated for a Perl regular expression.

For more information about pattern matching, see 'Pattern Matching Using SAS Regular Expressions (RX) and Perl Regular Expressions (PRX)' on page 260.

Comparisons

The Perl regular expression (PRX) functions and CALL routines work together to manipulate strings that match patterns. To see a list and short description of these functions and CALL routines, see the Character String Matching category in 'Functions and CALL Routines by Category' on page 270.

Syntax

Arguments

Details

Comparisons

See Also