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Status Not under consideration
Workspace IBM i
Categories Languages - RPG
Created by Guest
Created on Jun 11, 2019

RELATED IDEAS

RPG Regular Expression BIFS

Provide Built In Functions to facilitate testing string values against regular expressions without needing to compile the expression etc using APIs. This will make it easier for developers to make use of this technology.


Use Case:

Matches :

if (%matches(stringVar : regex);
// do stuff if stringVar matches regex..
endif;

Find :

x = %find(regex: stringVar);
// x = the position where regex first occurs in stringVar

x = %countMatches(regex : stringVar);
// x = the number of times the regex occurs in stringVar


Idea priority Medium
  • Guest
    Reply
    |     Apr 21, 2020

    IBM does not intend to provide a solution to this request at this time, so it is being closed.

    The APIs that work with regular expressions can be wrappered by RPG subprocedures to handle the complexity of calling the APIs.

  • Guest
    Reply
    |     Jul 11, 2019

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - Servers and Systems Software
    Product family - Power Systems
    Product - IBM i
    Component - Languages - RPG
    Operating system - IBM i
    Source - None

    For recording keeping, the previous attributes were:
    Brand - Servers and Systems Software
    Product family - Programming Languages
    Product - Developer for Power Systems
    Component - RPG/COBOL Development Tools
    Operating system - IBM i
    Source - None

  • Guest
    Reply
    |     Jun 12, 2019

    While I admit a BIF is easier, you could wrap the API's in your own procedure to hide the complexity.

    Doing so (which takes only a few hours) the only difference with your suggestion is the % sign.

    I've build several libraries (String, Date/Time, Sockets, LDAP, …) which all do this.

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