Broadly speaking, there are three "types" of regular expressions: language-specific regex (e.g., identifying Java variables), SQL regex (e.g., for identifying SQL keywords such as SELECT), and ...

Returns true if str matches the Java regex regexp, or false otherwise. Returns true if str matches the Java regex regexp, or false otherwise. New in version 3.5.0. Returns true if str matches the Java ...

Web applications have brought with them new classes of network security vulnerabilities, such as SQL Injection Attack. SQL Injection Attack is a class of attacks that many of the Web-based systems are ...