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I want to gain a true or false answer if this variable is enable to be converted from string into a int value.
Is there a build-in syntax for it in C#?
Use int.TryParse
string numberString = "123";
int number;
bool isConvertible = int.TryParse(numberString, out number);
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I have a string like:
43965.96000,16933.986,404689.986,5814892.171,77.464,52.47585589,13.59670032,77.464,0.675,-0.223
I want to just keep the string which is bold in characters between commas. How can I do that?
To take your question literally, you could do write a method to split the string by comma and just take the element at the 5th index:
string ParseData(string data)
{
return data.Split(',')[5];
}
So you'll be able to do something like:
string data = "43965.96000,16933.986,404689.986,5814892.171,77.464,52.47585589,13.59670032,77.464,0.675,-0.223";
string result = ParseData(data); // Result = "52.47585589"
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I need a regular expression to extract number 513922 from this string.
Error detected (513922: settings can not be applied.), param d1=0.0, d2=0.0 in operation mode
If you insist on regular expression:
string source =
"Error detected (513922: settings can not be applied.), param d1=0.0, d2=0.0 in...";
// 513922
string result = Regex.Match(source, #"(?<=\()[0-9]+(?=:)").Value;
// if you want integer representation:
int number = int.Parse(result);
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I want convert 1,2,3,4,5,6,7,8,9,10 String to Double.
I tried Convert.ToDouble(String); and Double.Parse(String); but returned 1.0
How to convert multi comma string to double?
Thanks for help.
From the looks of your question you actually have 10 numbers not 1. Use this code:
var nums = "1,2,3,4,5,6,7,8,9,10";
var digits = nums.Split(',').Select(r => Convert.ToDouble(r)).ToArray();
// the result will be an array of doubles, also this only works with .NET 3.5 or better.
Let me know if this works for you.
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I want to replace the string Prab\A\kar to Prab\kar
I have tried like this
string temp = #"prab\A\kar";
temp = temp.Replace(#"\A\", #"\");
and i got as "prab\\kar". As i mentioned in the title I want it as "Prab\kar"
temp = temp.Replace(#"\A\", #"\");
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Which method it is called on 3.ToString()?
System.Int16.ToString()
System.Int32.ToString()
System.Int64.ToString()
All integer literals in C# default to int (Int32) unless they are too big for int, in which case they become a larger data type that fits, like long(Int64).
So in this case, Int32.ToString() is called.
System.Int32.ToString() as literal integers are Int32 type