Java-Quantifier

Quantifier A quantifier determines how many times an expression is matched. The quantifiers are shown here: + Match one or more * Match zero or more. ? Match zero or one. Program   Program Two Program Source import java.util.regex.Pattern; import java.util.regex.Matcher; public class Javaapp { public static void main(String[] args) { Pattern pat = Pattern.compile(“A*C”); … Read more…

Java-Pattern and Matcher

Regular Expression Processing The java.util.regex package supports regular expression processing. A regular expression is a string of characters that describes a character sequence. This general description, called a pattern, can then be used to find matches in other character sequences. Regular expressions can specify wildcard characters, sets of characters, and various quantifiers. Thus, you can … Read more…