CODEWITHSUNDEEP
c#filestream
jel
jel

Reputation: 81

Get only numbers from line in file

So I have this file with a number that I want to use.

This line is as follows:

TimeAcquired=1433293042

I only want to use the number part, but not the part that explains what it is.

So the output is:

1433293042

I just need the numbers.

Is there any way to do this?

Upvotes: 3

Views: 187

Answers (6)

hdkhardik
hdkhardik

Reputation: 662

you can do it using split() function as given below

string theLineString="your string";
string[] collection=theLineString.Split('=');

so your string gets divided in two parts, i.e.

1) the part before "=" 2) the part after "=".

so thus you can access the part by their index.

if you want to access numeric one then simply do this

string answer=collection[1];

Upvotes: 3

Transcendent
Transcendent

Reputation: 5755

A good approach to Extract Numbers Only anywhere they are found would be to:

var MyNumbers = "TimeAcquired=1433293042".Where(x=> char.IsDigit(x)).ToArray();
var NumberString = new String(MyNumbers);

This is good when the FORMAT of the string is not known. For instance you do not know how numbers have been separated from the letters.

Upvotes: 3

Franco Pettigrosso
Franco Pettigrosso

Reputation: 4298

try

string t = "TimeAcquired=1433293042";
t= t.replace("TimeAcquired=",String.empty);

After just parse.

int mrt= int.parse(t);

Upvotes: 2

Steve Lillis
Steve Lillis

Reputation: 3256

There is a very simple way to do this and that is to call Split() on the string and take the last part. Like so if you want to keep it as a string:

var myValue = theLineString.Split('=').Last();

If you need this as an integer:

int myValue = 0;
var numberPart = theLineString.Split('=').Last();
int.TryParse(numberPart, out myValue);

Upvotes: 6

apomene
apomene

Reputation: 14389

string setting=sr.ReadLine();
int start = setting.IndexOf('=');
setting = setting.Substring(start + 1, setting.Length - start);

Upvotes: 4

DrKoch
DrKoch

Reputation: 9772

Follow these steps:

  • read the complete line
  • split the line at the = character using string.Split()
  • extract second field of the string array
  • convert string to integer using int.Parse() or int.TryParse()

Upvotes: 7

Related Questions