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  1. using System;
  2. using System.Text.RegularExpressions;
  3.  
  4.  
  5. namespace ConsoleApplication6
  6. {
  7.     class Program
  8.     {
  9.         static void Main(string[] args)
  10.         {
  11.             Console.WriteLine(ReadDouble("xxx","xxx   =   24124,34"));
  12.             Console.WriteLine(ReadDouble("xxx", "xxx   =   24124,34e-6"));
  13.             Console.WriteLine(ReadDouble("xxx", "xxx   =   -24124,34"));
  14.             Console.WriteLine(ReadDouble("xxx", "xxx   =   +24124,34"));
  15.             Console.WriteLine(ReadDouble("xxx", "xxgx   =   24124,34"));
  16.         }
  17.  
  18.         static double ReadDouble(string name, string wholeFile)
  19.         {
  20.             string pattern = name + @"\s*=\s*([+-]?\d+((\,\d+)([eE]-?\d+)?)?)\s*$";
  21.             string someDouble= Regex.Match(wholeFile, pattern).Groups[1].Value;
  22.             return someDouble == string.Empty ? 0d:double.Parse(someDouble);
  23.         }
  24.     }
  25. }
  26.  
Success #stdin #stdout 0.09s 24584KB
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stdin
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Standard input is empty
stdout
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2412434
2.412434
-2412434
2412434
0
https://ideone.com/4sAMCP
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
secret

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