Bug 11231 – formattedRead accepts silently trailing space past the string to match, but no other character

void main(){ string s = "abc:"; string a; import std.format; auto count=formattedRead(s, "%s: ", &a); //works but should throw exception: Cannot find character ` ' in the input string assert(a=="abc"); //NOTE: with any other character it seems to throw the exception, including "\n" and "\t" }

I believe formattedRead correctly mimics the behaviour of C's scanf function. See the documentation e.g. on http://www.cplusplus.com/reference/cstdio/scanf/. The relevant part is: > A single whitespace in the format string validates any quantity > of whitespace characters extracted from the stream (including none). Emphasis on "including none". As such, I believe the behaviour is as expected, so I'm going to close this, but please reopen if you have a compelling argument to do so.