# phpman > perldoc > Regexp::Common::URI::prospero

## NAME
    [Regexp::Common::URI::prospero](https://www.chedong.com/phpMan.php/perldoc/Regexp%3A%3ACommon%3A%3AURI%3A%3Aprospero/markdown) -- Returns a pattern for prospero URIs.

## SYNOPSIS
        use [Regexp::Common](https://www.chedong.com/phpMan.php/perldoc/Regexp%3A%3ACommon/markdown) qw /URI/;

        while (<>) {
            /$RE{URI}{prospero}/ and print "Contains a prospero URI.\n";
        }

## DESCRIPTION
  $RE{URI}{prospero}
    Returns a pattern that matches *prospero* URIs, as defined by RFC 1738. prospero URIs have the
    form:

        "prospero:" "//" host [ ":" port ] "/" path [ fieldspec ] *

    Under "{-keep}", the following are returned:

    $1  The complete URI.

    $2  The *scheme*.

    $3  The *hostname*.

    $4  The *port*, if given.

    $5  The propero path.

    $6  The field specifications, if given. There can be more field specifications; they will all be
        returned in $6.

## REFERENCES
    [RFC 1738]
        Berners-Lee, Tim, Masinter, L., McCahill, M.: *Uniform Resource Locators (URL)*. December
        1994.

## SEE ALSO
    [Regexp::Common::URI](https://www.chedong.com/phpMan.php/perldoc/Regexp%3A%3ACommon%3A%3AURI/markdown) for other supported URIs.

## AUTHOR
    Abigail. (*<regexp-common@abigail.be>*).

## BUGS AND IRRITATIONS
    Bound to be plenty.

LICENSE and COPYRIGHT
    This software is Copyright (c) 2001 - 2017, Damian Conway and Abigail.

    This module is free software, and maybe used under any of the following licenses:

     1) The Perl Artistic License.     See the file COPYRIGHT.AL.
     2) The Perl Artistic License 2.0. See the file COPYRIGHT.AL2.
     3) The BSD License.               See the file COPYRIGHT.BSD.
     4) The MIT License.               See the file COPYRIGHT.MIT.