PeopleSoft Learning

Oracle SQL has Regular Expression support from 2003. Many people doesn't know about it and has not been used by many of the Peoplesoft developers and legacy SQR and Peoplecode.

These functions can simplify a lot of pattern matching work in the SQL and AE / SQR program.

REGEXP_LIKE Determine whether pattern matches
REGEXP_SUBSTR Determine what string matches the pattern
REGEXP_INSTR Determine where the match occurred in the string
REGEXP_REPLACE Search and replace a pattern

contains the details of using the regular expression iPublish Postn Oracle SQL.

http://www.oracle.com/technetwork/database/features/application-development/twp-regular-expressions-133133.pdf

Eg:-

SELECT * FROM TABLENAME WHERE regexp_like (FIELDTOBECHECKED,'^[A-Za-z0-9]+$')

Can be used to select fields containing only alpha numeric character.

Pattern matching for Phone number , Postal code , Email id , National Identifier , Employee ID , Name , Addresss , Bank account number , credit card number , different identifier.