EditText的规则表达式

假坚强

8   

1.    
   import Android.app.Activity;   
   import android.os.Bundle;   
   import android.view.View;   
   import android.widget.Button;   
   import android.widget.EditText;   
      
   /**   
   * Class which shows how to validate user input with regular expression   
   *   
   * @author FaYnaSoft Labs   
   */   
      
   public class MAIn extends Activity {   
      
   private EditText editText;   
      
   private Button button;   
      
   @Override   
   public void onCreate(Bundle savedInstanceState) {   
      
   super.onCreate(savedInstanceState);   
      
   setContentView(R.layout.main);   
      
   editText = (EditText) findViewById(R.id.textId);   
      
   editText.setText("EditText element");   
      
      
   button = (Button) findViewById(R.id.btnId);   
   button.setText("Check");   
      
   button.setOnClickListener(new View.OnClickListener() {   
      
   @Override   
      
   public void onClick(View v) {   
      
   if(checkString(editText.getText().toString())) {   
      
   editText.setText("Corect");   
      
   }   
      
   }   
      
   });   
      
   }   
      
   /**   
   * This method checks if String is correct   
   * @param s - String which need to check   
   * @return value of matching   
   */   
      
   private boolean checkString(String s) {   
      
   return s.matches("\w*[.](Java|cpp|class)");   
      
   }   
      
   }   
   

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1.    
   String s_Result="Distance: 2.8Km (about 9 mins)";   
      
   //Distance parsing   
      
   Pattern p = Pattern.compile("Distance: (\d+(\.\d+)?)(.*?)\b");   
      
   Matcher m = p.matcher(s_Result);   
      
   if(m.find())   
      
   {   
   MatchResult mr=m.toMatchResult();   
   f_Distance=mr.group(1);//2.8   
   m_DistanceUnit=mr.group(3);//km   
   }   
      
      
      
   //Time parsing   
      
   p = Pattern.compile("about (\d+(\.\d+)?) (.*)\b");   
      
   m = p.matcher(s_Result);   
      
   if(m.find())   
      
   {   
   MatchResult mr=m.toMatchResult();   
   f_timeEst=mr.group(1);//9   
   m_timeEstUnit=mr.group(3);//min   
   }

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