re = /^((((31[- \/.](0?[13578]|1[02]))|((29|30)[- \/.](0?[1,3-9]|1[0-2])))[- \/.](1[6-9]|[2-9]\d)?\d{2})|(29\/0?2[- \/.](((1[6-9]|[2-9]\d)?(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))))|(0?[1-9]|1\d|2[0-8])[- \/.]((0?[1-9])|(1[0-2]))[- \/.]((1[6-9]|[2-9]\d)?\d{2})) (20|21|22|23|[0-1]?\d):[0-5]?\d:?[0-5]?\d$/
str = '1-1-2015 23:59:59'
# Print the match result
str.match(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