Tomasz Ostrowski

With this plugin you can define a PCRE regular expression against which data entered 
in XProfile fields will be matched.
For example:
<ul>
<li>check webpage field for a correct(-ish) URL or domain name: <code>%^(https?://)?([^ :/]{1,63}\.)+[^ :/.]{2,63}%iu</code></li>
<li>check age field for a sane(-ish) value (0-199): <code>/^1?[0-9]?[0-9]$/</code></li>
<li>check phone field for a sane(-ish) value: <code>/^+?[0-9 -]{7,45}$/</code></li>
<li>check any field for a minimum and maksimum length: <code>/^.{10,100}$/u</code></li>
</ul>
You can also configure a message to show when a field data does not validate.

BuddyPress XProfile Validate with RegEx

BuddyPress - Validate XProfile data with PCRE regular expressions.

Milan Dinić

Ryan Hellyer

Bjørn Johansen

Brian Layman

Stops automated spam while remaining as unobtrusive as possible to regular commenters. <a href="https://geek.hellyer.kiwi/products/spam-destroyer/" rel="nofollow ugc">The Spam Destroyer plugin</a> is intended to be effortless to use. Simply install, and enjoy a spam free website 🙂
<h3>Credits</h3>
<ul>
<li><a href="https://wordpress.org/support/users/omahoung/" rel="ugc">omahoung</a> – Bug reporting</li>
<li><a href="https://wordpress.org/support/profile/stromhalm" rel="ugc">Stromhalm</a> – Bug reporting</li>
<li><a href="http://ocaoimh.ie/" rel="nofollow ugc">Donncha O Caoimh</a> – Developer of Cookies for Comments, functionality of which is incorporated into Spam Destroyer</li>
<li><a href="http://elliottback.com/" rel="nofollow ugc">Elliot Back</a> – Developer of WP Hashcash, functionality of which is incorporated into Spam Destroyer</li>
<li><a href="http://nettsett.no/" rel="nofollow ugc">Marte Sollund and Ingvild Evje</a> – Bug reporting</li>
<li><a href="http://eHermitsInc.com/" rel="nofollow ugc">Brian Layman</a> – Code advice</li>
<li><a href="http://ronalfy.com/" rel="nofollow ugc">Ronald Huereca</a> – JS advice</li>
<li><a href="https://twitter.com/shawngaffney" rel="nofollow ugc">Shawn Gaffney</a> – Bug reporting</li>
<li><a href="http://konstruktors.com/" rel="nofollow ugc">Kaspars Dambis</a> – Bug reporting</li>
<li><a href="http://www.wanderingjon.com/" rel="nofollow ugc">Jon Brown</a> – Added error message filter</li>
</ul>

Spam Destroyer

Kills spam dead in it's tracks. Be gone evil demon spam!

BuddyPress XProfile Validate with RegEx vs Spam Destroyer