Mark Stosberg > Data-FormValidator-4.81 > Data::FormValidator::Constraints::Dates

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Module Version: 4.81   Source  

NAME ^

Data::FormValidator::Constraints::Dates - Validate Dates and Times

SYNOPSIS ^

    use Data::FormValidator::Constraints::Dates qw(date_and_time);

    # In a DFV profile...
    constraint_methods => {
        # 'pp' denotes AM|PM for 12 hour representation
        my_time_field => date_and_time('MM/DD/YYYY hh:mm:ss pp'),
    }

DESCRIPTION ^

date_and_time

Note: This is a new module is a new addition to Data::FormValidator and is should be considered "Beta".

This constraint creates a regular expression based on the format string passed in to validate your date against. It understands the following symbols:

    Y   year  (numeric)
    M   month (numeric)
    D   day   (numeric)
    h   hour
    m   minute
    s   second
    p   AM|PM

Other parts of the string become part of the regular expression, so you can do perlish things like this to create more complex expressions:

    'MM?/DD?/YYYY|YYYY-MM?-DD?'

Internally Date::Calc is used to test the functions.

BACKWARDS COMPATIBILITY ^

This older, more awkward interface is supported:

    # In a Data::FormValidator Profile:
    validator_packages => [qw(Data::FormValidator::Constraints::Dates)],
    constraints => {
        date_and_time_field       => {
            constraint_method => 'date_and_time',
            params=>[\'MM/DD/YYYY hh:mm:ss pp'], # 'pp' denotes AM|PM for 12 hour representation
        },
    }

SEE ALSO ^

o

Data::FormValidator

o

Data::FormValidator::Constraints::DateTime - This alternative features returning dates as DateTime objects and validating against the date formats required for the MySQL and PostgreSQL databases.

AUTHOR ^

Mark Stosberg, <mark@summersault.com>

Featuring clever code by Jan Krynicky.

COPYRIGHT AND LICENSE ^

Copyright 2003-2005 by Mark Stosberg

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

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