#16 - Python

Roadmap/16 - EXPRESIONES REGULARES/java/danhingar.java

@@ -0,0 +1,58 @@
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class danhingar {
+
+    public static void main(String[] args) {
+        String texto = "efe4325 f2erf tfr8r743ry";
+        System.out.println(findNumbers(texto));
+
+        // Extra
+        validateEmail("example@gmail.com");
+        validatePhone("6123456789");
+        validateUrl("http://www.google.com");
+    }
+
+    private static List<String> findNumbers(String text) {
+        Pattern pattern = Pattern.compile("\\d");
+        Matcher matcher = pattern.matcher(text);
+        List<String> matches = new ArrayList<>();
+        while (matcher.find()) {
+            matches.add(matcher.group());
+        }
+        return matches;
+    }
+
+    private static void validateEmail(String mail) {
+        Pattern pattern = Pattern.compile("^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}$");
+        Matcher matcher = pattern.matcher(mail);
+        if (matcher.find()) {
+            System.out.println("Email válido");
+        } else {
+            System.out.println("Email inválido");
+        }
+    }
+
+    private static void validatePhone(String number) {
+        Pattern pattern = Pattern.compile("^(\\+\\d{1,3}[- ]?)?\\(?\\d{1,4}\\)?[- ]?\\d{1,4}[- ]?\\d{1,4}$");
+        Matcher matcher = pattern.matcher(number);
+        if (matcher.find()) {
+            System.out.println("Teléfono válido");
+        } else {
+            System.out.println("Teléfono inválido");
+        }
+    }
+
+    private static void validateUrl(String url) {
+        Pattern pattern = Pattern.compile("^(https?|ftp):\\/\\/[^\s/$.?#].[^\s]*$");
+        Matcher matcher = pattern.matcher(url);
+        if (matcher.find()) {
+            System.out.println("Url válida");
+        } else {
+            System.out.println("Url inválida");
+        }
+    }
+
+}