Review
Although regexes simplify pattern-matching code in text-processing applications, you cannot effectively use regexes in your applications until you understand them. This article gave you a basic understanding of regexes by introducing you to regex terminology, the java.util.regex package, and a program that demonstrates regex constructs. Now that you possess a basic understanding of regexes, build onto that understanding by reading additional articles and studying java.util.regex's SDK documentation, where you can learn about more regex constructs, such as POSIX (Portable Operating System Interface for Unix) character classes.
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