re = /http:\/\/[a-zA-Z0-9-:\/.=?_]+,\s(http:\/\/[a-zA-Z0-9-:\/.=?_]+),\shttp:\/\/[a-zA-Z0-9-:\/.=?_]+/m
str = 'http://abc.com/main_img_a, http://abc.com/altimg_a_1, http://abc.com/altimg_a_2'
# 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