Re: form validation question - regex not working

On Thursday 22 August 2002 00:29, chip.wiegand@simrad.com wrote: > I hope this isn't too far off topic - > > I have a regex for validating email addresses - > > if (empty($useremail) || !eregi("^([A-Za-z0-9\.\_-])+@([A-Za-z0-9\_-])+\. > ([A-Za-z]{2,3})+$", $useremail)) > > Notice the {2,3} which is supposed to limit the last part to 2 or 3 > letters, but I have been testing this and > it allows as many letters as I put in there, but not 1 only. > What's wrong? > Also, when using eregi do I need to specify A-Za-z or just a-z, since it is > case-insensitive? You're strongly advised not to write your own regex for validating email addresses. Your regex (once you get it working) will invalidate a lot of valid email addresses. Search archives, or google for some tried and tested regex which will do the job properly. -- Jason Wong -> Gremlins Associates -> www.gremlins.com.hk Open Source Software Systems Integrators * Web Design & Hosting * Internet & Intranet Applications Development * /* The most important things, each person must do for himself. */