To check whether a character is of English Alphabet (a-zA-Z)

Question

The method Character.isLetter(Char c) tells whether the character is a unicode letter. What if I want to check for English letters (a-zA-Z) without regex.

Answer 1

Easy

char c = ...;
if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')) {
  //english letter
}