C++ 的 Java 等价物 +'s "std::string::find_first_of"

Question

C++ 的“std::string::find_first_of”是否有任何 Java 等价物？

 string string1( "This is a test string!");
 int location = string1.find_first_of( "aeiou" );
 //location is now "2" (the position of "i")

实现相同功能的最简单方法是什么？

编辑:建议的解决方案也必须适用于 Android。

Answer 1

不使用外部库:

     String string = "This is a test string!";
     String letters = "aeiou";
     Pattern pattern = Pattern.compile("[" + letters + "]");
     Matcher matcher = pattern.matcher(string);
     int position = -1;
     if (matcher.find()) {
         position = matcher.start();
     }
     System.out.println(position); // prints 2