在Java中检查字符串中的字母 [英] Checking for Alphabets in a String in java

问题描述

我有一个字符串"BC + D * E-".我想检查字符串的每个字符是否是字母.我尝试使用isLetter()，但它甚至会将=，*和-都视为字母.请您帮我一下.谢谢！

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 - as alphabets.Can you please help me in this.Thanks in advance

推荐答案

尝试

    String s = "BC+D*E-=";

    for (int i = 0; i < s.length(); i++) {
        char charAt2 = s.charAt(i);
        if (Character.isLetter(charAt2)) {
            System.out.println(charAt2 + "is a alphabet");
        }
    }

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