NAME
    YouTube::Util - YouTube-related utilities

VERSION
    This document describes version 0.002 of YouTube::Util (from Perl
    distribution YouTube-Util), released on 2020-04-01.

FUNCTIONS
  extract_youtube_video_id
    Usage:

     extract_youtube_video_id($arg) -> any

    Extract YouTube video ID from a string containing video ID, or
    youtube-dl-generated filename, or YouTube URL.

    Examples:

    *   Example #1:

         extract_youtube_video_id("https://www.youtube.com/watch?v=rp4UwPZfRis"); # -> "rp4UwPZfRis"

    *   Example #2:

         extract_youtube_video_id("https://www.youtube.com/watch?v=cl1p7SOwnEk&list=PLjxOg4YY7Ah2JGb_QvA6KSB6YmikzA2fo&index=2&t=0s");

        Result:

         "cl1p7SOwnEk"

    *   Example #3:

         extract_youtube_video_id("https://www.youtube.com/watch?list=PLjxOg4YY7Ah2JGb_QvA6KSB6YmikzA2fo&v=cl1p7SOwnEk&index=2&t=0s");

        Result:

         "cl1p7SOwnEk"

    *   Example #4:

         extract_youtube_video_id("https://www.youtube.com/embed/U9v2S49sHeQ?rel=0"); # -> "U9v2S49sHeQ"

    *   Example #5:

         extract_youtube_video_id("\$100,000 Name That Tune - Nick vs. Carol-SY-DnVZeFH0.mp4"); # -> "SY-DnVZeFH0"

    *   Example #6:

         extract_youtube_video_id("GNdALsnBjh8"); # -> "GNdALsnBjh8"

    *   Example #7:

         extract_youtube_video_id("foo"); # -> undef

    Return undef if not found.

    This function is not exported by default, but exportable.

    Arguments ('*' denotes required arguments):

    *   $arg* => *str*

    Return value: (any)

HOMEPAGE
    Please visit the project's homepage at
    <https://metacpan.org/release/YouTube-Util>.

SOURCE
    Source repository is at
    <https://github.com/perlancar/perl-YouTube-Util>.

BUGS
    Please report any bugs or feature requests on the bugtracker website
    <https://rt.cpan.org/Public/Dist/Display.html?Name=YouTube-Util>

    When submitting a bug or request, please include a test-file or a patch
    to an existing test-file that illustrates the bug or desired feature.

SEE ALSO
    Regexp::Pattern::YouTube

    App::YouTubeUtils

AUTHOR
    perlancar <perlancar@cpan.org>

COPYRIGHT AND LICENSE
    This software is copyright (c) 2020 by perlancar@cpan.org.

    This is free software; you can redistribute it and/or modify it under
    the same terms as the Perl 5 programming language system itself.

