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Estejava.util.regex.Matcher conLa clase representa un motor que realiza varias operaciones de coincidencia. Esta clase no tiene constructor, se puede usarmatches()
El método de la clase java.util.regex.Pattern crea/obtiene el objeto de esta clase.
La clase MatchertoString()El método devuelve un valor de cadena que representa el contenido del objeto del matcher actual.
import java.util.Scanner; import java.util.regex.Matcher; import java.util.regex.Pattern; public class ToStringExample { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println("Ingrese texto de entrada: "); String input = sc.nextLine(); String regex = "[#%&*]"; //Crear un objeto de patrón Pattern pattern = Pattern.compile(regex); //Create a Matcher object Matcher matcher = pattern.matcher(input); int count =0; while(matcher.find()) { count++; } //Search pattern used System.out.println("The are "+count+" special [# % & *] characters in the given text"); System.out.println("Following is the string format of the matcher used: \n"+matcher.toString()); } }
Resultado de salida
Enter input text: Hello# How # are# you *& welcome to T#utorials%point The are 7 special [# % & *] characters in the given text Following is the string format of the matcher used: java.util.regex.Matcher[pattern=[#%&*]52 lastmatch=]
import java.util.Scanner; import java.util.regex.Matcher; import java.util.regex.Pattern; public class ToStringExample { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println("Ingrese texto de entrada: "); String input = sc.nextLine(); String regex = "[#%&*]"; //Crear un objeto de patrón Pattern pattern = Pattern.compile(regex); //Create a Matcher object Matcher matcher = pattern.matcher(input); int count =0; while(matcher.find()) { count++; } //Search pattern used System.out.println("The are "+count+" special [# % & *] characters in the given text"); System.out.println("Following is the string format of the matcher used: \n"+matcher.toString()); } }
Resultado de salida
Enter input text: Hello# How # are# you *& welcome to T#utorials%point The are 7 special [# % & *] characters in the given text Following is the string format of the matcher used: java.util.regex.Matcher[pattern=[#%&*]52 lastmatch=]