~R'this + i\s "a" regex too'
~w(hello #{ ["has" <> "123", '\c\d', "\123 interpol" | []] } world)s
~W(hello #{no "123" \c\d \123 interpol} world)s
~s{Escapes terminators \{ and \}, but no {balancing}
~S"No escapes \s\t\n and no #{interpolation}"
~S/hello/
~S|hello|
~S"hello"
~S'hello'
~S(hello)
~S[hello]
~S{hello}
~S<hello>
~s/hello #{name}/
~s|hello #{name}|
~s"hello #{name}"
~s'hello #{name}'
~s(hello #{name})
~s[hello #{name}]
~s{hello #{name}}
~s<hello #{name}>