re = /rgba?\((?<r>[.\d]+)[, ]+(?<g>[.\d]+)[, ]+(?<b>[.\d]+)(?:\s?[,\/]\s?(?<a>[.\d]+%?))?\)/i
str = 'color: rgb(34, 12, 64, 0.6);
color: rgba(34, 12, 64, 0.6);
color: rgb(34 12 64 / 0.6);
color: rgba(34 12 64 / 0.3);
color: rgb(34.0 12 64 / 60%);
color: rgba(34.6 12 64 / 30%);
color: rgba(255, 255, 255);
color: rgba(255, 255, 255, .5);
color: rgba(255 255 255 / 0.5);'
# 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