Martin Giffy D'SouzaProtalkapex.comยทNov 26, 2023Regular expression patterns [[:upper:]] vs [A-Z]Note: the comparisons in this article also applies to [[:lower:]] vs [a-z] regexp patterns. Oracle regular expressions (regexp) support both [[:upper:]] or [A-Z] to find uppercase letters. At first glance they appear the same. Even regex101.com defin...570 readsSQLAdd a thoughtful commentNo comments yetBe the first to start the conversation.
