Feature #4687 ยป ipaddr.patch
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end
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class << IPSocket
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# Returns +true+ if addr is a valid IPv4 address.
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def valid_v4?(addr)
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if /\A(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\Z/ =~ addr
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return $~.captures.all? {|i| i.to_i < 256}
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| ... | ... | |
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return false
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end
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# Returns +true+ if addr is a valid IPv6 address.
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def valid_v6?(addr)
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# IPv6 (normal)
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return true if /\A[\dA-Fa-f]{1,4}(:[\dA-Fa-f]{1,4})*\Z/ =~ addr
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| ... | ... | |
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false
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end
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# Returns +true+ if addr is either a valid IPv4 or IPv6 address.
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def valid?(addr)
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valid_v4?(addr) || valid_v6?(addr)
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end
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