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functx:is-absolute-uri

Whether a URI is absolute

Description

The functx:is-absolute-uri function returns true if URI is absolute, meaning that it starts with a scheme name such as http or ftp. It returns false if it is a relative URI.

Arguments and Return Type

XQuery Function Declaration

declare namespace functx = "http://www.functx.com";
declare function functx:is-absolute-uri
  ( $uri as xs:string? )  as xs:boolean {

   matches($uri,'^[a-z]+:')
 } ;

Examples

functx:is-absolute-uri(
   'http://www.datypic.com')

true

functx:is-absolute-uri(
   'ftp://ftp.datypic.com')

true

functx:is-absolute-uri('ftp.datypic.com')

false

functx:is-absolute-uri('www.datypic.com')

false

functx:is-absolute-uri('prod.html')

false

See Also

History