Words consisting of anything but whitespace
foo bar baz
foo 𠀋∮E⋅da=Q,n→∞,∑f(i)=∏g(i), bar

C++ namespace

foo namespace::classname bar
foo namespace::classname::subclass bar
foo namespace::classname::Sub_Class1 bar

Paths
prefix:foo;suffix
prefix:/foo;suffix
prefix:/foo/bar;suffix
prefix:/foo/bar_baz;suffix
prefix:/foo/bar/file.ext;suffix
prefix:/foo/bar/file-name.ext;suffix
prefix=/foo/bar/file-name.ext;suffix
prefix:~/foo/bar/file-name.ext;suffix
prefix=~/foo/bar/file-name.ext;suffix

Dotted include paths

import foo
import foo.bar
import foo.bar;
import "foo.bar";

Quoted strings

This is a "quoted string" for sure
Here is "one with, some; punctuation!" in it
Here's a fake quote \" and "a quoted string" fake quote \"
A "quoted string with \" escaped quote" in it
a "quoted string ending in escaped slash \\" haha

objc selector
foo:@selector(foo))
foo:@selector(foo:bar:))

email addr
My email: foo123@bar.com <blah blah>
Prefix: foo.bar@baz.com, suffix

HTTP URLs (from adapted daring fireball)
prefix http://foo.com/blah_blah suffix
prefix http://foo.com/blah_blah/ suffix
prefix http://foo.com/blah_blah. suffix
prefix http://foo.com/blah_blah/. suffix
prefix http://foo.com/blah_blah/bar;baz suffix
<http://foo.com/blah_blah>
<http://foo.com/blah_blah/>
prefixhttp://foo.com/blah_blah,
prefixhttp://foo.com:123/blah/blah.php?k=v&k2=v2#fragment,
prefixhttp://www.example.com/wpstyle/?p=364.
prefixhttp://userid:password@example.com:8080 suffix
prefixhttp://userid@example.com suffix
prefixhttp://userid@example.com:8080 suffix
prefixhttp://userid:password@example.com suffix
prefixhttp://example.com:8080 x-yojimbo-item://6303E4C1-xxxx-45A6-AB9D-3A908F59AE0E
<tag>http://example.com</tag>

HTTPs
prefixhttp://foo.com:123/blah/blah.php?k=v&k2=v2#fragment,

mailto
prefix:mailto:foo@bar.com, suffix

ssh
prefix:ssh:user@site.com, suffix
prefix:ssh:site.com, suffix
prefix:ssh:site, suffix

telnet
prefix:telnet:user@site.com, suffix
prefix:telnet:site.com, suffix
prefix:telnet:site, suffix