Anonymous user
Empty string: Difference between revisions
m
→{{header|Ruby}}
(add Ruby) |
|||
Line 336:
s.each_char.to_a.empty?</lang>
Non-empty expressions, in addition to simply negating the above expressions:
<lang ruby>s != ""
s.length > 0
s[/./]</lang>
Note that we
<lang ruby>if s then puts "not empty" end</lang>
|