parseDSXMarkID static method
Parses s
to a DSX reference mark ID.
Implementation
static int? parseDSXMarkID(String s) {
var match = markRegExp.firstMatch(s);
if (match == null) return null;
var idStr = match.group(1);
if (idStr == null) return null;
var id = int.parse(idStr);
return id;
}