Desktop application C# strange behavior Replace and Substring function

[Vano Abesadze]

Hello,

So, there are lines DB.7DBD68 DB.7DVD72 DB.7DVD76 and since the following code

System.String temp ="DB.7DBD68";
temp=temp.Replace("DB.", "");
Int16 db = Int16.Parse(temp.Substring(0, temp.IndexOf("DB"))); //this code return 7 in db variable
temp = temp.Replace(temp.Substring(0, temp.IndexOf("DB")), "");
temp = temp.Replace("DBD", ""); //this code return 68 in temp variable




System.String temp ="DB.7DBD72";
temp=temp.Replace("DB.", "");
Int16 db = Int16.Parse(temp.Substring(0, temp.IndexOf("DB"))); //this code return 7 in db variable
temp = temp.Replace(temp.Substring(0, temp.IndexOf("DB")), "");
temp = temp.Replace("DBD", ""); //this code return 2 in temp variable

like this?

System.String temp ="DB.7DBD76";
temp=temp.Replace("DB.", "");
Int16 db = Int16.Parse(temp.Substring(0, temp.IndexOf("DB"))); //this code return 7 in db variable
temp = temp.Replace(temp.Substring(0, temp.IndexOf("DB")), "");
temp = temp.Replace("DBD", ""); //this code return 6 in temp variable

How can this be explained? the code is in a loop


Thanks

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