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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.util.regex.*;
  5. import java.lang.*;
  6. import java.io.*;
  7.  
  8. /* Name of the class has to be "Main" only if the class is public. */
  9. class Ideone
  10. {
  11.     static Pattern pattAlphaNum = Pattern.compile("[A-Z|a-z|\\d+]");
  12.     static Pattern pattAlpha = Pattern.compile("[A-Z|a-z]");
  13. 	static Pattern pattNum = Pattern.compile("[\\d+]");
  14.  
  15. 	static Pattern alternativo = Pattern.compile("([A-Za-z]|\\d+)");
  16. 	static Pattern semParenteses = Pattern.compile("[A-Za-z]|\\d+");
  17.  
  18. 	static void testar(String s) {
  19. 		 System.out.print(s + "\t\t\t");
  20.  
  21. 		 System.out.print(pattAlphaNum.matcher(s).matches() + "\t\t");
  22. 		 System.out.print(pattAlpha.matcher(s).matches() + "\t");
  23. 		 System.out.print(pattNum.matcher(s).matches() + "\t\t");
  24.  
  25. 		 System.out.print(alternativo.matcher(s).matches() + "\t\t");
  26. 		 System.out.print(semParenteses.matcher(s).matches() + "\n");
  27. 	}
  28.  
  29. 	public static void main (String[] args) throws java.lang.Exception
  30. 	{
  31. 		 System.out.println("String\t\tAlphaNum\tAlpha\tNum\t\t\tSugestão\tSem Parênteses");
  32. 		 testar("A");
  33. 		 testar("a");
  34. 		 testar("0");
  35. 		 testar("aa");
  36. 		 testar("10");
  37. 		 testar("+");
  38. 		 testar("|");
  39. 	}
  40. }
Success #stdin #stdout 0.07s 380224KB
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stdin
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Standard input is empty
stdout
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String		AlphaNum	Alpha	Num			Sugestão	Sem Parênteses
A			true		true	false		true		true
a			true		true	false		true		true
0			true		false	true		true		true
aa			false		false	false		false		false
10			false		false	false		true		true
+			true		false	true		false		false
|			true		true	false		false		false
https://ideone.com/JpxNEj
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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