http://www.perlmonks.org?node_id=668513

sh1tn has asked for the wisdom of the Perl Monks concerning the following question:

Fellow Monks, I am trying to use regular expressions in .tmpl file:
<TMPL_IF my_var =~ /some string/>

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Is this possible?
Thank you.


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Re: HTML::Template regular expression usage
by wfsp (Abbot) on Feb 18, 2008 at 13:06 UTC
    Is this possible?
    No.

    From the docs

    ...it enforces an important divide - design and programming.
    The idea behind HTML::Template is that what you are trying to do is to put 'programming' in your template.

    Why can't you put that regex in your param, something like 

    my $flag;
if (my_var =~ /some string/){
  $flag++;
}

my $param = {
  flag => $flag,
};

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    <TMPL_IF flag>

    [download]
    imo, this restriction is a good thing. It forces you to separate your logic from your presentation, and, I think, both your code and your templates are better for it. Another benifit is that H::T is a fast, easy to use, lightweight solution for most needs.

    Perhaps consider something like Template::Toolkit if H::T is too restrictive for your needs.

    updated: fixed link

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