The API consists of three classes–Pattern, Matcher, and PatternSyntaxException–all located in the java.util.regex package: Pattern objects, also known as patterns , are compiled regexes.

The java.util.regex package is breathtaking in the thoroughness of its implementation and, as always, is meticulously documented. Even more obscure regex arcana ... tutorial on regular-expression ...

Remove parameters using regular expressions. The other option to remove parameters in Java or Python is to use a regular expression to delete the matching portion of the input string. This method is ...