CALL RXFREE Routine


Frees memory allocated by other regular expression (RX) functions and CALL routines

Category: Character String Matching

Restriction: Use with the RXPARSE function

Syntax

CALL RXFREE ( rx );

Arguments

rx

  • specifies a numeric value that is returned from the RXPARSE function.

Comparisons

The regular expression (RX) functions and CALL routines work together to manipulate strings that match patterns. Use the RXPARSE function to parse a pattern you specify. Use the RXMATCH function and the CALL RXCHANGE and CALL RXSUBSTR routines to match or modify your data. Use the CALL RXFREE routine to free allocated space.

Example

See the RXPARSE function 'Examples' on page 811.

See Also

Functions and CALL routines:

  • 'CALL RXCHANGE Routine' on page 385

  • 'CALL RXSUBSTR Routine' on page 388

  • 'RXMATCH Function' on page 799

  • 'RXPARSE Function' on page 800




SAS 9.1 Language Reference Dictionary, Volumes 1, 2 and 3
SAS 9.1 Language Reference Dictionary, Volumes 1, 2 and 3
ISBN: N/A
EAN: N/A
Year: 2004
Pages: 704

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