Regex to check with starts with http://, https:// or ftp://

Question

I am framing a regex to check if a word starts with http:// or https:// or ftp://, my code is as follows,

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Answer 1

Unless there is some compelling reason to use a regex, I would just use String.startsWith:

bool matches = test.startsWith("http://")
            || test.startsWith("https://") 
            || test.startsWith("ftp://");

I wouldn't be surprised if this is faster, too.