How to strip away letters from string?
I want to strip away all letters in a string, which are not numeric. Preferably a solution made with Regular Expressions or something. And in C#. 
How to do that? 
How to strip away letters from string?
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I want to strip away all letters in a string, which are not numeric. Preferably a solution made with Regular Expressions or something. And in C#. 
How to do that? 