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  1. import java.util.regex.Pattern;
  2.  
  3. public class Main {
  4.  
  5.     private static void testar(boolean resultado, String teste) {
  6.         System.out.println(Validador.validarCaminho(teste) == resultado ? "Ok" : "ERRO");
  7.     }
  8.  
  9.     public static void main(String[] args) {
  10.         testar(true, "C:/home/PauloNeto/NetBeansProjects/Expre/src/expre/texto.txt");
  11.         testar(true, "C:/home/Paulo Neto/Net Beans Projects/Expre/src/expre/texto.txt");
  12.         testar(true, "/home/PauloNeto/NetBeansProjects/Expre/src/expre/texto.txt");
  13.         testar(true, "/home/Paulo Neto/Net Beans Projects/Expre/src/expre/texto.txt");
  14.         testar(true, "home/PauloNeto/NetBeansProjects/Expre/src/expre/texto.txt");
  15.         testar(true, "home/Paulo Neto/Net Beans Projects/Expre/src/expre/texto.txt");
  16.         testar(true, "home/PauloNeto/NetBeansProjects/Expre/src/expre/texto");
  17.         testar(true, "home/Paulo Neto/Net Beans Projects/Expre/src/expre/texto");
  18.         testar(true, "home");
  19.         testar(true, "/home");
  20.         testar(true, "C:/home");
  21.         testar(true, "home.txt");
  22.         testar(true, "/home.txt");
  23.         testar(true, "C:/home.txt");
  24.         testar(true, "C:");
  25.         testar(true, "C:/");
  26.         testar(false, "a:");
  27.         testar(false, "a:/");
  28.         testar(false, " home");
  29.         testar(false, "home ");
  30.         testar(false, "home/");
  31.         testar(false, "home.");
  32.         testar(false, ".txt");
  33.         testar(false, "C:home");
  34.         testar(false, "C:home/texto");
  35.         testar(false, "home//texto.txt");
  36.         testar(false, "ho  me/PauloNeto/NetBeansProjects/Expre/src/expre/texto.txt");
  37.         testar(false, "home/PauloNeto/NetBeansProjects/Expre/src/expre/texto.");
  38.         testar(false, "home/PauloNeto/NetBeans#Projects/Expre/src/expre/texto.txt");
  39.         testar(false, "home/PauloNeto/NetBeans  Projects/Expre/src/expre/texto.txt");
  40.         testar(false, "home/PauloNeto/NetBeansProjects/Expre/src/expre/texto..txt");
  41.         testar(false, "home/PauloNeto/NetBeansProjects/Expre/src/expre/texto.x.txt");
  42.         testar(false, "home/PauloNeto/NetBeansProjects/Expre/src/expre/texto.");
  43.         testar(false, "home/PauloNeto/NetBeansProjects/Expre/src/expre/texto.txt.");
  44.         testar(false, " E:/home/PauloNeto/NetBeansProjects/Expre/src/expre/texto.txt");
  45.         testar(false, "E :/home/PauloNeto/NetBeansProjects/Expre/src/expre/texto.txt");
  46.         testar(false, "E: /home/PauloNeto/NetBeansProjects/Expre/src/expre/texto.txt");
  47.         testar(false, "E:/ home/PauloNeto/NetBeansProjects/Expre/src/expre/texto.txt");
  48.         testar(false, "E:/home /PauloNeto/NetBeansProjects/Expre/src/expre/texto.txt");
  49.         testar(false, "home /PauloNeto/NetBeansProjects/Expre/src/expre/texto.txt");
  50.         testar(false, " home/PauloNeto/NetBeansProjects/Expre/src/expre/texto.txt");
  51.         testar(false, "home/ PauloNeto/NetBeansProjects/Expre/src/expre/texto.txt");
  52.         testar(false, "home/PauloNeto /NetBeansProjects/Expre/src/expre/texto.txt");
  53.         testar(false, "home/PauloNeto/NetBeansProjects/Expre/src/expre/texto. txt");
  54.         testar(false, "home/PauloNeto/NetBeansProjects/Expre/src/expre/texto.txt ");
  55.         testar(false, "home/PauloNeto/NetBeansProjects/Expre/src/expre/texto.t xt");
  56.         testar(false, "E: ");
  57.         testar(false, "E :");
  58.         testar(false, " E:");
  59.         testar(false, "E:/ ");
  60.         testar(false, "E: /");
  61.         testar(false, "E :/");
  62.         testar(false, " E:/");
  63.         testar(false, "");
  64.         testar(false, " ");
  65.         testar(false, "/");
  66.         testar(false, ".");
  67.         testar(false, ":");
  68.     }
  69. }
  70.  
  71. class Validador {
  72.  
  73.     private static final Pattern p1 = Pattern.compile("^[A-Z0-9a-z]*$");
  74.  
  75.     private static final Pattern p2 =
  76.             Pattern.compile("^(?:(?:[A-Z]\\:)?\\/)?(?:[a-zA-Z0-9]+(?: [a-zA-Z0-9]+)*)(?:\\/(?:[a-zA-Z0-9]+(?: [a-zA-Z0-9]+)*))*(?:\\.[a-zA-Z0-9]+)?|[A-Z]\\:\\/?$");
  77.  
  78.     public static boolean validarPalavra(String palavra) {
  79.         return p1.matcher(palavra).matches();
  80.     }
  81.  
  82.     public static boolean validarCaminho(String caminho) {
  83.         return p2.matcher(caminho).matches();
  84.     }
  85. }
Success #stdin #stdout 0.12s 320512KB
comments (?)
stdin 
Standard input is empty
stdout 
Ok
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https://ideone.com/LZcVec
language:
Java (12.0.1)
created:
9 years ago
visibility:
public

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