Quick Linq thing... String to Number String

Really stupid little thing I came up with today... but I wanted to use Linq to strip any non number from a string and return the string with only numbers. I told you this was a stupid little thing.

public static String CreateNumberOnlyString(String textToCheck)
{
  String returnText;
               
  var queryForIntegers = from currentChar in textToCheck
                         where Char.IsNumber(currentChar)
                         select currentChar;
               
  returnText = new String(queryForIntegers.ToArray());
               
  return returnText;
}

I are tupid

This may be novel or really dumb, but I like it. Say you want to convert a Dictionary to a List of KeyValuePairs that are sorted by something within the dictionary Key or Value. Don't ask why, just go with it. You could do this: Where someDictionary is Dictionary<Type, string> :

List<KeyValuePair<Type, String>> dataSource = new List<KeyValuePair<Type, String>>(someDictionary);
dataSource.Sort(new SomeComparer<KeyValuePair<Type, String>>("Value", true));

To:

var query = from keyValuePair in someDictionary
          orderby keyValuePair.Value
          select new KeyValuePair<Type, String>(keyValuePair.Key, keyValuePair.Value);
SomeMethod(query.ToList());

If nothing else, you don't have to create or implement a System.Collections.IComparer class to use the .Sort method. That seems worth it. That and I think it just plain looks better, but that just me. If I am completely wrong here, refer to the title of this post. Just a thought really.