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>
libraries
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URL_VALIDITY
+
Point of view
All features
ANY
All features
expanded class URL_VALIDITY
Summary
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Direct parents
Insert list:
ANY
Known children
Insert list:
URL
,
XML_DTD_PARSER
,
XML_DTD_PUBLIC_REPOSITORY
,
XML_PARSER
Overview
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Features
{
ANY
}
valid_url
(a_url:
ABSTRACT_STRING
):
BOOLEAN
True if the
STRING
represents a real
URL
(i.e. with a known protocol and a valid URI for that protocol)
valid_url
(a_url:
ABSTRACT_STRING
):
BOOLEAN
effective function
{
ANY
}
top
True if the
STRING
represents a real
URL
(i.e. with a known protocol and a valid URI for that protocol)
require
a_url /= Void