Convert human readable string to TimeSpan





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I want to pass time interval as a string (to program args) and then I want to parse it to TimeSpan. I created simple class:



public static class TimeSpanConverter
{
public static TimeSpan Convert(string input)
{
var units = new Dictionary<string, int>()
{
{@"(d+)(ms|mili[|s]|milisecon[|s])", 1 },
{@"(d+)(s|sec|second[|s])", 1000 },
{@"(d+)(m|min[|s])", 60000 },
{@"(d+)(h|hour[|s])", 3600000 },
{@"(d+)(d|day[|s])", 86400000 },
{@"(d+)(w|week[|s])", 604800000 },
};

var timespan = new TimeSpan();

foreach(var x in units)
{
var matches = Regex.Matches(input, x.Key);
foreach(Match match in matches)
{
var amount = System.Convert.ToInt32(match.Groups[1].Value);
timespan = timespan.Add(TimeSpan.FromMilliseconds(x.Value * amount));
}
}

return timespan;
}
}


Which is working, and I can easly parse like this:



var interval = TimeSpanConverter.Convert("1day13hour2min12s52ms");


What do you think about that? How can I improve that? I have a feeling, that it is not well coded.










share|improve this question









$endgroup$



















    2












    $begingroup$


    I want to pass time interval as a string (to program args) and then I want to parse it to TimeSpan. I created simple class:



    public static class TimeSpanConverter
    {
    public static TimeSpan Convert(string input)
    {
    var units = new Dictionary<string, int>()
    {
    {@"(d+)(ms|mili[|s]|milisecon[|s])", 1 },
    {@"(d+)(s|sec|second[|s])", 1000 },
    {@"(d+)(m|min[|s])", 60000 },
    {@"(d+)(h|hour[|s])", 3600000 },
    {@"(d+)(d|day[|s])", 86400000 },
    {@"(d+)(w|week[|s])", 604800000 },
    };

    var timespan = new TimeSpan();

    foreach(var x in units)
    {
    var matches = Regex.Matches(input, x.Key);
    foreach(Match match in matches)
    {
    var amount = System.Convert.ToInt32(match.Groups[1].Value);
    timespan = timespan.Add(TimeSpan.FromMilliseconds(x.Value * amount));
    }
    }

    return timespan;
    }
    }


    Which is working, and I can easly parse like this:



    var interval = TimeSpanConverter.Convert("1day13hour2min12s52ms");


    What do you think about that? How can I improve that? I have a feeling, that it is not well coded.










    share|improve this question









    $endgroup$















      2












      2








      2





      $begingroup$


      I want to pass time interval as a string (to program args) and then I want to parse it to TimeSpan. I created simple class:



      public static class TimeSpanConverter
      {
      public static TimeSpan Convert(string input)
      {
      var units = new Dictionary<string, int>()
      {
      {@"(d+)(ms|mili[|s]|milisecon[|s])", 1 },
      {@"(d+)(s|sec|second[|s])", 1000 },
      {@"(d+)(m|min[|s])", 60000 },
      {@"(d+)(h|hour[|s])", 3600000 },
      {@"(d+)(d|day[|s])", 86400000 },
      {@"(d+)(w|week[|s])", 604800000 },
      };

      var timespan = new TimeSpan();

      foreach(var x in units)
      {
      var matches = Regex.Matches(input, x.Key);
      foreach(Match match in matches)
      {
      var amount = System.Convert.ToInt32(match.Groups[1].Value);
      timespan = timespan.Add(TimeSpan.FromMilliseconds(x.Value * amount));
      }
      }

      return timespan;
      }
      }


      Which is working, and I can easly parse like this:



      var interval = TimeSpanConverter.Convert("1day13hour2min12s52ms");


      What do you think about that? How can I improve that? I have a feeling, that it is not well coded.










      share|improve this question









      $endgroup$




      I want to pass time interval as a string (to program args) and then I want to parse it to TimeSpan. I created simple class:



      public static class TimeSpanConverter
      {
      public static TimeSpan Convert(string input)
      {
      var units = new Dictionary<string, int>()
      {
      {@"(d+)(ms|mili[|s]|milisecon[|s])", 1 },
      {@"(d+)(s|sec|second[|s])", 1000 },
      {@"(d+)(m|min[|s])", 60000 },
      {@"(d+)(h|hour[|s])", 3600000 },
      {@"(d+)(d|day[|s])", 86400000 },
      {@"(d+)(w|week[|s])", 604800000 },
      };

      var timespan = new TimeSpan();

      foreach(var x in units)
      {
      var matches = Regex.Matches(input, x.Key);
      foreach(Match match in matches)
      {
      var amount = System.Convert.ToInt32(match.Groups[1].Value);
      timespan = timespan.Add(TimeSpan.FromMilliseconds(x.Value * amount));
      }
      }

      return timespan;
      }
      }


      Which is working, and I can easly parse like this:



      var interval = TimeSpanConverter.Convert("1day13hour2min12s52ms");


      What do you think about that? How can I improve that? I have a feeling, that it is not well coded.







      c# regex






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      asked 6 hours ago









      dafiedafie

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