You can also use Regular Expression to get the value you specified in an array string
Here is an example i can give you to get the value from a string.
Regex r = new Regex(@"[0-9]+\.[0-9]+");
Match m = r.Match(myString);
string value = m.Value;
Console.WriteLine("{0} is a Number",value);
You can also get reference from the below link to learn further.
http://www.c-sharpcorner.com/uploadfile/puranindia/regular-expressions-in-C-Sharp/[
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