/ 
String-Util-Match-0.001
River stage one • 3 direct dependents • 8 total dependents
/ String::Util::Match

NAME

String::Util::Match - String utilities related to matching

VERSION

This document describes version 0.001 of String::Util::Match (from Perl distribution String-Util-Match), released on 2017-12-09.

SYNOPSIS

use String::Util::Match qw(match_array_or_regex);

match_array_or_regex('bar',  ['foo', 'bar', qr/[xyz]/]); # true, matches string
match_array_or_regex('baz',  ['foo', 'bar', qr/[xyz]/]); # true, matches regex
match_array_or_regex('oops', ['foo', 'bar', qr/[xyz]/]); # false

my @res = split_array('--', [qw/--opt1 --opt2 -- foo bar -- --val/]);
# -> ([qw/--opt1 --opt2/],  [qw/foo bar/],  [qw/--val/])

my @res = split_array(qr/--/, [qw/--opt1 --opt2 -- foo bar -- --val/], 2);
# -> ([qw/--opt1 --opt2/],  [qw/foo bar -- --val/])

my @res = split_array(qr/(--)/, [qw/--opt1 --opt2 -- foo bar -- --val/], 2);
# -> ([qw/--opt1 --opt2/],  [qw/--/],  [qw/foo bar -- --val/])

my @res = split_array(qr/(-)(-)/, [qw/--opt1 --opt2 -- foo bar -- --val/], 2);
# -> ([qw/--opt1 --opt2/],  [qw/- -/],  [qw/foo bar -- --val/])

DESCRIPTION

FUNCTIONS

match_array_or_regex

Usage:

match_array_or_regex($needle, $haystack) -> any

Check whether an item matches (list of) values/regexes.

Examples:

  • Example #1:

    match_array_or_regex("abc", ["abc", "abd"]); # -> 1

  • Example #2:

    match_array_or_regex("abc", qr/ab./); # -> 1

  • Example #3:

    match_array_or_regex("abc", [qr/ab./, "abd"]); # -> 1

This routine can be used to match an item against a regex or a list of strings/regexes, e.g. when matching against an ACL.

Since the smartmatch (~~) operator can already match against a list of strings or regexes, this function is currently basically equivalent to:

if (ref($haystack) eq 'ARRAY') {
    return $needle ~~ @$haystack;
} else {
    return $needle =~ /$haystack/;
}

except that the smartmatch operator covers more cases and is currently deprecated in the current perl versions and might be removed in future versions.

This function is not exported by default, but exportable.

Arguments ('*' denotes required arguments):

  • $haystack* => re|str|array[re|str]

  • $needle* => str

Return value: (any)

HOMEPAGE

Please visit the project's homepage at https://metacpan.org/release/String-Util-Match.

SOURCE

Source repository is at https://github.com/perlancar/perl-String-Util-Match.

BUGS

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

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.

AUTHOR

perlancar <perlancar@cpan.org>

COPYRIGHT AND LICENSE

This software is copyright (c) 2017 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.