using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^(-)?(\d+)(?:[\s\.]0+)?\s*(?:USD)?$";
string substitution = @"\0 => \1$\2";
string input = @"123.00 USD
1234 USD
357.0 USD
456 00 USD
651USD
753.684 USD
123 456 USD
-123 USD
789.00 XXX
123.00 wrongcurrency
test string
$159
123";
RegexOptions options = RegexOptions.Multiline;
Regex regex = new Regex(pattern, options);
string result = regex.Replace(input, substitution);
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx