private static RangeCollection GetRangeCollection(string expression)
{
string[] parts = Split(expression);
Range[] ranges = new Range[parts.Length];
for (int i = 0; i < parts.Length; i++) {
ranges[i] = GetRange(parts[i]);
}
return new RangeCollection(ranges);
}
internal RangeCollection(Range[] elements)
{
this.Elements = elements;
}
