Want to match any character using Java RegEx? The meta character “.” in java regular expression matches any character (single) it could be the alphabet, number or, any special character.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | import java.util.Scanner; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String args[]) { //Reading String from user System.out.println("Enter a String"); Scanner sc = new Scanner(System.in); String input = sc.nextLine(); //Regular expression to match any character String regex = "."; //Compiling the regular expression Pattern pattern = Pattern.compile(regex); //Retrieving the matcher object Matcher matcher = pattern.matcher(input); int count = 0; while(matcher.find()) { count ++; } System.out.println("Given string contains "+count+" characters."); } } |
1 2 3 | Enter a String hello how are you welcome to tutorialspoint Given string contains 42 characters. |
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