Supported Features The regex feature differences between Java and Ruby were obtained from the comparison charts at Regular-Expressions.info.

The regex specifies two capturing groups: number 1 is (Java( language)2), which matches Java language language, and number 2 is ( language), which matches a space character followed by language.

This regular expression could be used to determine whether other strings contained the pattern 'John'. In Java, creating a Pattern object generated from the regular expression to be searched for would ...

RegexBuilder is a class for building regular expressions in a more human-readable way using a fluent API. It offers a number of benefits over using raw regex syntax in strings: No knowledge of regular ...

Complete your introduction to the Regex API, then find out how regular expressions make quicker work of common tasks like code documentation and lexical analysis.

The java.util.regex package is breathtaking in the thoroughness of its implementation and, as always, is meticulously documented. Even more obscure regex arcana are present, such as lookaheads and ...

To use an escape sequence in a Java regular expression two back slashes have to be used like so "\\s". A quantifier is a special character or characters that specifies how many times the pattern ...

Regular Expression is part of the Automata, and also called rational expression. We use it for finding the match of the string like validating the Email address, Password etc. It uses some special ...