Checking for Alphabets in a String in java

Question

I have a string \"BC+D*E-\". I want to check each character of the string whether it is an alphabet or not. I tried using isLetter() but it does consider even the = , * and

Answer 1

You can use ASCII value of English letters. e.g.

for (char c : "BC+D*E-".toCharArray())
{
  int value = (int) c;
  if ((value >= 65 && value <= 90) || (value >= 97 && value <= 122))
  {
    System.out.println("letter");
  }
}

You can find ASCII table here: http://www.asciitable.com/