What's a C# regular expression that'll validate currency, float or integer?

Question

What is a regular expression suitable for C# that\'ll validate a number if it matches the following?

 $1,000,000.150
 $10000000.199
 $10000 
 1,         


        

Answer 1

^\$?(\d{1,3},?(\d{3},?)*\d{3}(\.\d{1,3})?|\d{1,3}(\.\d{2})?)$