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https://community.oracle.com/thread/1114983
Nov 08, 2010 · Roger22 wrote: Hello, Does oracle 9i support regular expressions? I need to check if a varchar parameter contains only numbers OR letters, otherwise i should return false. Thanks.Regular Expressions start with Oracle 10g 10.1.0:)
https://docs.oracle.com/cd/B28359_01/server.111/b28286/ap_posix.htm
C Oracle Regular Expression Support. Oracle's implementation of regular expressions conforms with the IEEE Portable Operating System Interface (POSIX) regular expression standard and to the Unicode Regular Expression Guidelines of the Unicode Consortium.
https://docs.oracle.com/cd/B19306_01/B14251_01/adfns_regexp.htm
See Also: Oracle Database SQL Reference for information about Oracle Database SQL functions for regular expressions . Oracle Database Globalization Support Guide for details on using SQL regular expression functions in a multilingual environment . Oracle Regular Expressions Pocket Reference by Jonathan Gennick, O'Reilly & Associates . Mastering Regular Expressions by Jeffrey E. F. Friedl, O ...
https://docs.oracle.com/cd/B12037_01/appdev.101/b10795/adfns_re.htm
Oracle Database Regular Expression Support. Oracle Database implements regular expression support compliant with the POSIX Extended Regular Expression (ERE) specification. Regular expression support is implemented with a set of Oracle Database SQL functions that allow you to search and manipulate string data.
https://www.regular-expressions.info/oracle.html
Oracle Database Regular Expressions. With version 10g Release 1, Oracle Database offers 4 regexp functions that you can use in SQL and PL/SQL statements. These functions implement the POSIX Extended Regular Expressions (ERE) standard. Oracle fully supports collating sequences and equivalence classes in bracket expressions. The NLS_SORT setting ...
https://docs.oracle.com/en/database/oracle/oracle-database/12.2/sqlrf/Oracle-Regular-Expression-Support.html
Oracle's implementation of regular expressions conforms with the IEEE Portable Operating System Interface (POSIX) regular expression standard and to the Unicode Regular Expression Guidelines of the Unicode Consortium. This appendix contains the following sections: Multilingual Regular Expression Syntax
https://it.toolbox.com/question/handling-regular-expressions-in-oracle-9i-or-lower-version-013007
Handling regular expressions in Oracle 9i or lower version. Hi Group, Need urgent help on this one. ... As far as I am aware, full support for regular expressions was added in 10g. There may be a few character-based searches and things you can look for, but most of the advanced searching isn't available in versions prior to ...
https://www.databasestar.com/oracle-regexp-functions/
Nov 06, 2017 · It’s an extension of the standard Oracle REPLACE function, but REPLACE does not support regular expressions where REGEXP_REPLACE does. The syntax for this function is: REGEXP_REPLACE (source_string, pattern [, replace_string [, position [, occurrence [, match_parameter ] ] ] ] ) Let’s take a look at each of these parameters:
https://tipsfororacle.blogspot.com/2017/03/regular-expression-support-in-oracle.html
Regular Expression Support in Oracle (REGEXP_COUNT, REGEXP_INSTR, REGEXP_REPLACE, REGEXP_SUBSTR, REGEXP_LIKE) What are different Types of Regular Expressions in ORACLE. Explain with Examples? REGEXP_SUBSTR - Returns the string matching the regular expression. Not really similar to SUBSTR.
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