re = /^\d\d(?:([.,])\d(?:\d(?:\1\d\d?|)|)|)(?: \d\d(?:([.,])\d(?:\d(?:\2\d\d?|)|)|))*$/m
str = 'Нужно захватывать такие виды оквэдов (1 === \\d{1}):
11
11.1
11,1
11.11
11,11
11.11.1
11,11,1
11.11.11
11,11,11
11 11.11 11.11.11
11 11,11 11,11,11
Недопустимы:
11,11.11
11.11,11
11.1.11
11.1.1
11.
11,
11.1.
11,1,
11.11.
11,11,
11.11.1.
11,11,1,
11.11.11.
11,11,11,
'
# 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