Puppet users - May 2014 - validate_re() does not correctly match numbers in some cases

I'm seeing this issue with the current version of stdlib.  When getting
numeric data from hiera, or performing math on a variable, validate_re()
fails when using the following regex:
    '[0-9]+'

Here are some test cases:

Getting data from hiera
    # Hiera data:
    # ---
    # testvalue: 1234

    FAIL:
        $myvar = hiera('testvalue')
        validate_re( $myvar, '[0-9]+' )

Performing math
    OK:
       $var = 1000
       validate_re( $var, '[0-9+]' )

    FAIL:
       $var2 = 2000 + 1
       validate_re( $var2, '[0-9+]' )

I've had to resort to quoting variables in validate_re, like this:
    OK:
        $var3 = 3000 + 1
        validate_re( "${var3}", '[0-9+]' )

However puppet-lint complains about having only a variable inside
double-quotes, so I'm considering solving this with the very ugly:
    validate_re( "X${var3}", 'X[0-9+]' )

Is anyone else seeing this issue?

I have opened a ticket:
    https://tickets.puppetlabs.com/browse/MODULES-865


❧ Brian Mathis
@orev

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