string format custom parameter

Question

Is there a (simple/predefined) way to use the same string.format mechanism but use names instead of numbers? I want to use the same formatting system but make it more end-user friendly. Right now my users are putting in {0} {1:Minutes} after selecting what parameters they want to use from a list but it becomes quite unreadable and confusing once you start using more then say 2 parameters.

For example want to do {Now} and {Now:Minutes} and have it replaced with DateTime.Now for {Now} and DateTime.Now.Minutes using the IFormattable for {Now:Minutes}. So that the users won't need to select items from a list anymore but rather just type/insert the names of the parameters.

look at some of the answers here stackoverflow.com/questions/21311509/…, especially this one — thumbmunkeys
– thumbmunkeys, Commented Feb 24, 2015 at 12:05
Whilst perhaps not immediately useful to you unless you're using the VS2015 CTP, C# is getting string interpolation which should give you exactly what you need in the future. You can read about it at blogs.msdn.com/b/csharpfaq/archive/2014/11/20/… — Neil Mountford
– Neil Mountford, Commented Feb 24, 2015 at 12:54
possible duplicate of How to replace tokens on a string template? — BrunoLM
– BrunoLM, Commented Mar 8, 2015 at 22:54

Community · Accepted Answer · 2017-05-23 11:56:54Z

0

In c#-6.0 you can use

string result = $"Time: {DateTime.Now}";

On previous versions see

How to replace tokens on a string template?

edited May 23, 2017 at 11:56

CommunityBot

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answered Mar 8, 2015 at 22:57

BrunoLM

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