এই ক্লাসটি ASCII অক্ষরের সাথে মেলে যেমন \x00-\x7F।
উদাহরণ
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
String regex = "^[\\p{ASCII}]";
//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("Number of non-ASCII characters in the given string: "+count);
}
} আউটপুট
Enter a string why do we fall Number of non-ASCII characters in the given string: 1
