Regular expression variants

Could somebody explain what is

\\SNon-Whitespace\\DNon-Digit character

class RegexDemo{

publicstaticvoid main(String[] args){

String str ="abcd efghi klmn";

String[] strArr = str.split("\\S");

for(String str1: strArr)

System.out.println("1"+str1);

}

}

how the above code splits the string.

[708 byte] By [ramkria] at [2007-11-27 6:42:43]