How do I use a variable in a regex when doing a string.scan?

Question

I would like to use a string variable in my regex when I scan through a document:

urlstring = "example.com"
scanresult = @doc.scan(/variable text in urlstring(.*?)link-text/)

How do I go about doing this?

Jokester · Accepted Answer · 2012-01-11 15:50:19Z

11

#{} are interpreted almost like in "" in regex literal.

is @doc.scan /#{urlstring}(.*?)link-text/ what you want?

answered Jan 11, 2012 at 15:50

Jokester

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Comments

Nobita · Accepted Answer · 2012-01-11 15:49:22Z

1

This should work:

urlstring = "example.com" scanresult = @doc.scan(/variable text in #{urlstring}(.*?)link-text/)

Putting the variable between #{..}

answered Jan 11, 2012 at 15:49

Nobita

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