Input DOES NOT match regular expression. C:\>TestRegExp ^\d {5}$ 12345 Input matches regular expression. As this code demonstrates, the Regex.IsMatch method compares a regular expression to a string ...

So the regex [Ff]rankfurter is the same as the above example. Brackets support ranges though, so ^[A-Z] will match any line that starts with a capital letter. It also supports numbers, so [0-9]$ will ...

Regular expressions are as complicated as they are powerful. They can be very intimidating in the beginning, so the best way to start is to take an example and tweak it until you produce exactly ...