Hello Dear Monks

I have a problem concerning paranthesis

I would like to detect the following expression, such as 

(23

[download]
or 
(135

[download]

So I have used : 


# use strict;
...
if (($Delay_id =~ /\(\d\d/) || ($Delay_id =~ /\(\d\d\d/)){
            ...
                }

[download]

But I have messages of error, such as :

Use of uninitialized value in concatenation (.) or string at

In reply to parenthesis regex by steph_bow

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
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