How do you test a String for all alpha characters

Posted on 2003-10-23
Last Modified: 2010-05-18
How do you test a String for all alpha characters, or all numeric characters returning a bool?
Question by:rayskelton
  • 3
LVL 86

Accepted Solution

CEHJ earned 125 total points
Comment Utility
 public static String allAlpha(String s) {
      StringBuffer sb = new StringBuffer(s);
      for(int i = 0;i < sb.length();i++) {
        if(Character.isAlphaChar(sb.charAt(i)) == false)
            return false;
      return true;

LVL 86

Expert Comment

Comment Utility

should be


Author Comment

Comment Utility
Perfect, I changed the return to boolean.

LVL 86

Expert Comment

Comment Utility
>>I changed the return to boolean.

D'oh, another error ;-)

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