Escape language codes before matching them in case they contain
characters with special meaning in a regexp. Closes #2318.
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@ -49,7 +49,7 @@ module HttpAcceptLanguage
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def compatible_language_from(array)
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user_preferred_languages.map do |x|
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array.find do |y|
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y.to_s =~ /^#{x.to_s}(-|$)/
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y.to_s =~ /^#{Regexp.escape(x.to_s)}(-|$)/
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end
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end.compact.first
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end
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