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FAQs

A regular expression is a pattern of characters that specifies a set of strings that match it. Regular expressions can be used for many different purposes, including matching text patterns in text files or web pages.

Regex theory is a method of matching text strings, which is used in programming languages and text editors. It helps with string manipulation and pattern matching.

You can use a Java Regex Theory tool to create your own Regex theory. This will help you in creating your own rules, and it will also help you in understanding the accepted rules of Java regex.

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