Or if using (??) is not desired:
$bar =~ s/varchar\s*\(\d|\d\d|2[0-4]\d|25[0-5])\)/TEXT/i;

[download]
Or split up for readbility: 
$byte = qr/\d|\dd|2[0-4]\d|25[0-5]/;
$bar =~ s/varchar\s*\($byte)\)/TEXT/i;

[download]

In reply to Re^2: String replacement with regex... by Gilimanjaro
in thread String replacement with regex... by amonotod

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