fails:Kernel.Float raises an ArgumentError for a String of numbers followed by word characters
fails:Kernel.Float returns a value for a String with an embedded _
fails:Kernel.Float raises an ArgumentError for a String with an embedded \0
fails:Kernel.Float raises an ArgumentError for a String with a trailing \0
fails:Kernel.Float allows embedded _ in a number on either side of the e
fails:Kernel.Float allows embedded _ in a number on either side of the E
fails:Kernel#Float raises an ArgumentError for a String of numbers followed by word characters
fails:Kernel#Float returns a value for a String with an embedded _
fails:Kernel#Float raises an ArgumentError for a String with an embedded \0
fails:Kernel#Float raises an ArgumentError for a String with a trailing \0
fails:Kernel#Float allows embedded _ in a number on either side of the e
fails:Kernel#Float allows embedded _ in a number on either side of the E
