$s =~ /<input name="uid" type="checkbox" value="(\d\d\d\d\d\d\d\d)">/ 
  && print "match found: $1\n";

[download]

Probably you need to process optional spaces and carriage returns as well..

Update: \d{8} is better :) Thanks CombatSquirrel!

In reply to Re: Pattern matching with variable number by dda
in thread Pattern matching with variable number by Anonymous Monk

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