replace string in url with ruby regex

Question

I have this url inside a variable image:

 image = http://graph.facebook.com/111111111111111/picture?type=square

I want a regex ruby for replace the last string after equal symbol = for these urls:

image = http://graph.facebook.com/111111111111111/picture?type=small
image = http://graph.facebook.com/111111111111111/picture?type=large
image = http://graph.facebook.com/111111111111111/picture?type=normal

the number 111111111111111 is a 15 digits number.

How can I do it?

Thank you very much!

Rather than providing you with a regexp that will solve your problem, let me share this link with you: ruby-doc.org/core-1.9.3/Regexp.html, pay attention to "Repetition" section — Anton
– Anton, Commented Jun 8, 2012 at 9:25

Michael Kohl · Accepted Answer · 2012-06-08 09:33:08Z

1

s.gsub(%r{(http://graph.facebook.com/\d{15}/picture\?type=)\w+}, '\1replaced')
#=> "http://graph.facebook.com/111111111111111/picture?type=replaced"

answered Jun 8, 2012 at 9:33

Michael Kohl

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