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Function std.uri.emailLength
Does string s[] start with an email address?
Prototype
ptrdiff_t emailLength(Char)( Char[] s ) if (isSomeChar!Char);
Returns
-1 it does not
len it does, and s[0..i] is the slice of s[] that is that email address
References
RFC2822
Example
string s1 = "my.e-mail@www.example-domain.com with garbage added";
assert (emailLength(s1) == 32);
string s2 = "no email address here";
assert (emailLength(s2) == -1);
assert (emailLength("issue 14924") < 0);