17Regular Expression Support
CERTIFICATION OBJECTIVES
17.02 Regular Expression Functions
17.04 Regular Expressions and CHECK Constraints
This chapter explores the use of regular expressions in Oracle SQL. The term “regular expressions” refers to a specific language for working with text. You can use regular expressions to specify some complex character patterns and perform complex searches in a succinct and efficient manner.
Regular expressions have an identity that goes beyond SQL and Oracle. They are used in Unix, C, and elsewhere. This chapter will look at the ...
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