From: info at smithfieldentertainment dot com
Operating system: UNIX
PHP version: Irrelevant
PHP Bug Type: *Regular Expressions
Bug description: ereg {0,255} limited to 255 ... and not documented
Description:
------------
I sent the following email to Mehdi Achour <[EMAIL PROTECTED]>
---------------
Hi,
I discovered (the hard way after hours of code troubleshooting) that
ereg/eregi/etc. functions have a very useful but LIMITED length function.
It seems that while the ereg functions will search for matches in (any?)
length code, the length limiter {0, 255} is limited to 255.
I was trying to match lengths of 350 and 800… but couldn’t figure out why
I was getting an error. There’s no documentation on this anywhere that I
could find.
Please add it to all applicable regular expression match items that it
applies to.
Thanks!
-- CJ Greiner
[EMAIL PROTECTED]
http://www.SmithfieldEntertainment.com
757-356-1166
Reproduce code:
---------------
if (eregi("^([a-z0-9 $&*?\'.-]{100,300})$",
$register_data[register_summary], $ereg_results) == FALSE) {
$error_message .= '<br>Subject Summary: Please use only letters,
numbers, and punctuation: \'-$&*?<br>';
}
Expected result:
----------------
if the user input $register_data[register_summary] does not match the
regular expression OR is ouside the acceptable length range of 100-300
letters, then the expression should return FALSE and assign an
$error_message.
Actual result:
--------------
Even when the user input for $register_data[register_summary] had
acceptable characters AND had acceptable lengths...
The code failed because the max length of 300 {100, 300} was causing a
FALSE or FAIL.
I experimented with the length until I brought it down to 255... then it
worked.
This limit is not documented anywhere.
There should be no limit... or at least a much higher limit, since the
matching expression will work on a much longer string if no length limit
is placed in it.
Thanks!
--
Edit bug report at http://bugs.php.net/?id=29039&edit=1
--
Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=29039&r=trysnapshot4
Try a CVS snapshot (php5): http://bugs.php.net/fix.php?id=29039&r=trysnapshot5
Fixed in CVS: http://bugs.php.net/fix.php?id=29039&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=29039&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=29039&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=29039&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=29039&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=29039&r=support
Expected behavior: http://bugs.php.net/fix.php?id=29039&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=29039&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=29039&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=29039&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=29039&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=29039&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=29039&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=29039&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=29039&r=float
