字符串替换 ReplaceAll()

/**
  * 字符串替换
  *
  */
 public static void replaceString(String a ,String b,String c) {
  System.out.println("a = " + a);
  String result = a.replaceAll("(?i)" + b, c); //大小写不敏感
  
  System.out.println("result = " + result);
  System.out.println("result1 = " + a.replaceAll(b, c)); //大小写敏感
 }