You can truncate a string variable to whatever length you like by using substr. 
substr($text_field, 100) = '' if length($text_field) > 100;

[download]
will truncate $text_field to 100 chars. Or you could have your program just abort if it received an oversized field.
Caution: Contents may have been coded under pressure.

In reply to Re^5: Tweak for my Perl Regex that screens for digits only by Roy Johnson
in thread Tweak for my Perl Regex that screens for digits only by hackermike

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