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Subexpression/Meta character " (?:re) "Group the regular expression without remembering the matched text."
import java.util.Scanner; import java.util.regex.Matcher; import java.util.regex.Pattern; public class PatternExample { public static void main(String args[]) { //Read a string from the user System.out.println("Enter a String"); Scanner sc = new Scanner(System.in); String input = sc.next(); String regex = "(?:[0-9]); //Compile the regular expression Pattern pattern = Pattern.compile(regex); //Retrieve the matcher object Matcher matcher = pattern.matcher(input); //Verify whether a match has occurred boolean bool = matcher.find(); if(bool) { System.out.print("Match found"); } else { System.out.print("Match not found"); } } }
Output Result
Enter a String 9848022338 Match found