Replicate one or more spaces in%

Question

I have a line like "First Last Name" I want to replace empty spaces with%, for example

 "First%Last%Name" 

How to replace consecutive spaces with one%?

Answer 1

You can do this with a regex:

 str = Regex.Replace(str, " +", "%"); 

Answer 2

 var result = string.Join("%", str.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries));