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Tech Note: Introduction to Regular Expressions in 4D v11 SQL
PRODUCT: 4D Developer | VERSION: 11 | PLATFORM: Mac & Win
Published On: December 19, 2007
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Regular expressions (regex) is a meta-language that provides developers a means to easily validate and search for characters within text. 4D v11 SQL natively supports this language, displaying 4Dís commitment to adhere to industry wide standards. This Technical Note provides background information, benefits of using regex, and examples within 4D.

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Commented by Jesse Pina on June 19, 2009 at 11:28 AM
For more information on regex in 4D, see the "Regex for 4D v11 SQL" forum. There are a number or regex rules and even a component specifically for regex. Here is the forum link: http://forums.4d.fr/Forum/EN/1434147/0/0/