How to detect string start with capital letter or small

Question

 

I have a same string Called ORDINE and ordine what i want to is to check if it is start with capital ordine or lowercase ordine. i want to do something below

 

if (line.Replace(".", "").Trim().StartsWith("ORDINE"))

{

skipLine = 3;

continue;

}

or 

 

if (line.Replace(".", "").Trim().StartsWith("ordine"))

{

skipLine = 1;

continue;

}