re = /^-?\d+(\.\d+)?$/m
str = '+243.32
5.01
5
99
153.
-5.01
-5
-99
-153.
'
# Print the match result
str.scan(re) do |match|
puts match.to_s
end
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html