$re = '/[a-z]+([\n].*?<\/div>[\n ]+<div class="large-3 small-3 columns">[\n ]+)[a-z]+/is';
$str = '
<div class="row">
<div class="large-3 columns displayoffer-centered">
<small>1 ⨯ <img src="/static/currency/Exalted_Orb.png" class="currencyimg"> ← 1500 ⨯ <img src="/static/currency/Orb_of_Alteration.png" class="currencyimg"></small>
</div>
<div class="large-6 columns">
<div class="displayoffer-primary displayoffer-centered">
<div class="row">
<div class="large-3 small-3 columns">
exalted
</div>
<div class="large-6 small-6 columns displayoffer-text">
<div class="displayoffer-left"><img src="/static/currency/Exalted_Orb.png" class="currencyimg"></div>
<div class="displayoffer-right"><img src="/static/currency/Orb_of_Alteration.png" class="currencyimg"></div>
<div class="displayoffer-middle">1 ⇐ 1500</div>
</div>
<div class="large-3 small-3 columns">
alteration
</div>
</div>
</div>
</div>
<div class="large-3 columns displayoffer-centered">
<small>1 ⨯ <img src="/static/currency/Orb_of_Alteration.png" class="currencyimg"> → 0.0007 ⨯ <img src="/static/currency/Exalted_Orb.png" class="currencyimg"></small>
</div>
</div>
<div class="row">
<div class="large-12 columns">
<div class="displayoffer-bottom">IGN: MoreSpellDamage <span class="right"><a href="#" onclick="contact_form(this); return false;">Contact seller</a></span></div>
</div>
</div>
</div>
<div class="displayoffer" data-username="joshxx" data-sellcurrency="6" data-sellvalue="1.0" data-buycurrency="7" data-buyvalue="1650.0" data-ign="joshhhz">
<div class="row">
<div class="large-3 columns displayoffer-centered">
<small>1 ⨯ <img src="/static/currency/Exalted_Orb.png" class="currencyimg"> ← 1650 ⨯ <img src="/static/currency/Chromatic_Orb.png" class="currencyimg"></small>
</div>
<div class="large-6 columns">
<div class="displayoffer-primary displayoffer-centered">
<div class="row">
<div class="large-3 small-3 columns">
exalted
</div>
<div class="large-6 small-6 columns displayoffer-text">
<div class="displayoffer-left"><img src="/static/currency/Exalted_Orb.png" class="currencyimg"></div>
<div class="displayoffer-right"><img src="/static/currency/Chromatic_Orb.png" class="currencyimg"></div>
<div class="displayoffer-middle">1 ⇐ 1650</div>
</div>
<div class="large-3 small-3 columns">
chrome
</div>
</div>
</div>
</div>
<div class="large-3 columns displayoffer-centered">
<small>1 ⨯ <img src="/static/currency/Chromatic_Orb.png" class="currencyimg"> → 0.0006 ⨯ <img src="/static/currency/Exalted_Orb.png" class="currencyimg"></small>
</div>
</div>
<div class="row">
<div class="large-12 columns">
<div class="displayoffer-bottom"><span class="success label">online</span> · IGN: joshhhz <span class="right"><a href="#" onclick="contact_form(this); return false;">Contact seller</a></span></div>
</div>
</div>
</div>
<div class="displayoffer" data-username="deadlylegolas" data-sellcurrency="6" data-sellvalue="1.0" data-buycurrency="7" data-buyvalue="1700.0" data-ign="LegoSaiyanGod">
<div class="row">
<div class="large-3 columns displayoffer-centered">
<small>1 ⨯ <img src="/static/currency/Exalted_Orb.png" class="currencyimg"> ← 1700 ⨯ <img src="/static/currency/Chromatic_Orb.png" class="currencyimg"></small>
</div>
<div class="large-6 columns">
<div class="displayoffer-primary displayoffer-centered">
<div class="row">
<div class="large-3 small-3 columns">
exalted
</div>
<div class="large-6 small-6 columns displayoffer-text">
<div class="displayoffer-left"><img src="/static/currency/Exalted_Orb.png" class="currencyimg"></div>
<div class="displayoffer-right"><img src="/static/currency/Chromatic_Orb.png" class="currencyimg"></div>
<div class="displayoffer-middle">1 ⇐ 1700</div>
</div>
<div class="large-3 small-3 columns">
chrome
</div>
</div>
</div>
</div>
<div class="large-3 columns displayoffer-centered">
<small>1 ⨯ <img src="/static/currency/Chromatic_Orb.png" class="currencyimg"> → 0.0006 ⨯ <img src="/static/currency/Exalted_Orb.png" class="currencyimg"></small>
</div>
';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php