In Java, how do you convert a String to an array?

String myStringArray = "[491174, 414529, 414557]"; I just want this section of output 491174, 414529, and 414557. I tried a variety of approaches to convert strings to arrays and other stuff. I tried something, and I've included the code below.

String myStringArray = "[491174, 414529, 414557]";  
String newArray = myStringArray.replaceAll(" ", "");  
System.out.println("Before Remove : " + newArray);  
String remove = newArray.replaceAll("[^a-zA-Z0-9]", ",");  
String rm = remove.replaceFirst(",", "");  
System.out.println("After Remove : " + rm);  

This is the result:

Before Remove : [491174,414529,414557]
After Remove : 491174,414529,414557,

This is the specific code that I have been working on a project and I have encountered an issue.
Please assist me if you are able.

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class test {
   public static void main(String args){
      String myString = "[491174, 414529, 414557]";  
      String arr = StringToArray(myString);
      System.out.println(String.join("\n",arr));  
    }
    public static String StringToArray(String str){
         return str.replaceAll("[\\[\\]\\s]","").split(",");  
    }
}