import java.util.*;
 
class Ideone {
	public static void main (String[] args)  {
	String str = "asdsad 59 asdf .2 asdf 56 89 .a 2.4 wef 95 asdf.";
    String[] parts = str.split("([^\\d.]|\\B\\.|\\.\\B)+");
    System.out.println( Arrays.toString( parts));
    double[] numbers = Arrays.stream(str.split("([^\\d.]|\\B\\.|\\.\\B)+"))
        .filter(s -> !s.isEmpty())
        .mapToDouble(Double::parseDouble)
        .toArray();
    System.out.println( Arrays.toString( numbers));
	}
}

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