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正規表現に関するちょっとトリッキーな質問。私はそのようなパターンのURLを持っています:
http://www.domain.com/img?res=high&refurl=http://www.ahother_domain.com/page/&imgurl=http://www.one_more.com/static/images/mercedes.jpg&w=640&h= 480
どのようにimgurl価値を引き出すことができますか?
imgurl