IEnumerable<string> to comma separated string

Question

I need to convert the IEnumerable<string> emails to comma separated string. The iEnumerable is actually Hashset<string> with emails, I need to generate string with emails separated by ','

[email protected], [email protected], [email protected]

how can I do it without using loop

Answer 1

You can use String.Join:

string result = String.Join(", ", emails);