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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6. import java.util.regex.Matcher;
  7. import java.util.regex.Pattern;
  8.  
  9. /* Name of the class has to be "Main" only if the class is public. */
  10. class Ideone
  11. {
  12. 	public static void teste(String s)
  13.     {
  14.         Pattern pattAlphaNum = Pattern.compile("[A-Z|a-z|\\d+]");
  15.         Pattern pattAlpha = Pattern.compile("[A-Z|a-z]");
  16.         Pattern pattNum = Pattern.compile("[\\d+]");
  17.  
  18.         Matcher matchAlphaNum;
  19.         Matcher matchAlpha;
  20.         Matcher matchNum;
  21.  
  22.         matchAlphaNum = pattAlphaNum.matcher(s);
  23.         matchAlpha = pattAlpha.matcher(s);
  24.         matchNum = pattNum.matcher(s);
  25.  
  26.  
  27.         System.out.printf(matchAlphaNum.find()+"\t\t");
  28.         System.out.printf(matchNum.find()+"\t\t");
  29.         System.out.printf(matchAlpha.find()+"\t\t");
  30.         System.out.println();
  31.     }
  32.  
  33. 	public static void main (String[] args) throws java.lang.Exception
  34. 	{
  35. 		System.out.println("AlphaNum\tNum\t\t\tAlpha");
  36.         teste("20");
  37.         teste("a");
  38.         teste("2a");
  39.         teste("11");
  40.         teste("1");
  41. 	}
  42. }
Success #stdin #stdout 0.07s 380224KB
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stdin
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Standard input is empty
stdout
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AlphaNum	Num			Alpha
true		true		false		
true		false		true		
true		true		true		
true		true		false		
true		true		false
https://ideone.com/angwnE
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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