C# regex match number
- C# regex match number in string
- C# regex match number length
- C# regex match number of characters
- C# regex match decimal number
- C# regex match phone number
- C# regex match double number
- C# regex match line number
- C# regex match any number
- C# regex match negative number
- C# regex match any number of characters
- C# regex match version number
- C# regex match 4 digit number