如何在XSLT1.0中拆分值字符串？

I have a string of single values and ranges, and I want to split them and put them in order of single values together (comma separated) and ranges together (comma separated), using XSLT1.0. I don't want the result in form of XML nodes, I do want the result on the same line. I have found that existing solutions here on Stack Exchange works, but it puts them on different lines as XML nodes. I have a string of single values and ranges, an