<?php $contenuto = '<ol style="margin-top: 0cm; margin-bottom: 0cm;"> <li style="margin: 0cm 0cm 0cm 47.6px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif; text-indent: 0.4px;"><span style="font-size: 10.0pt;">x</span></li> <li style="margin: 0cm 0cm 0cm 47.6px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif; text-indent: 0.4px;"><span style="font-size: 10.0pt;">y</span></li> <li style="margin: 0cm 0cm 0cm 47.6px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif; text-indent: 0.4px;"><span style="font-size: 10.0pt;">z</span></li> <li style="margin: 0cm 0cm 0cm 47.6px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif; text-indent: 0.4px;"></li> <li style="margin: 0cm 0cm 0cm 47.6px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif; text-indent: 0.4px;"><b style="font-size: 10.0pt; color: red;"> </b></li> </ol>'; $regex = '/<li[^>]*>(?:\s*|<span[^>]*>\s*<\/span>)<\/li>/'; $contenuto = preg_replace($regex, '', $contenuto); print_r($contenuto);
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