I am trying to sort some Elements based on the last four digits in the element name, which is also the same as the View.Site ID Property.

Example Element Names:

Priority Controller DB8009 120D 4312
Priority Controller DB8009 120D 4312
Priority Controller DB8008 130D 4000
Priority Controller DB8008 110D 4222
Priority Controller DB8008 120D 3000
Priority Controller DB8009 120D 2000
Priority Controller DB8009 110D 6003

I tried ChildrenSort: Property|View.SiteID, but realised that probably doesn't work because it is a property of the View associated with the Element, not an actual Element Property.

I also tried
ChildrenSort:RegExReplace:(.+D )\d{4},Name,]

This RegexReplace matches anything before the four digit number at the end and replaces it with nothing, hence leaving just the four digit ID for the sort, however I suspect ChildrenSort whilst allowing for Name doesn't allow for a Regex on the Name in this field.

Is there any trickery I am missing to achieve the desired sort, or am I trying to do something beyond what is achievable?