Please help. the useful content is also filtered out during regular expression filtering-php Tutorial

Please help. the useful content is also filtered out during regular expression filtering. The open green eyes burst into an astonishing green flash, instantly scared away the wild dogs trapped in the garbage. & Lt; span & nbsp; & gt; @-% more-more highlights ^ novels, do & amp; in the aspect * Chinese network ~ $ | ~ * & Lt; span & gt; & lt; p & gt; watch the wild dogs who have fled the garbage, the useful content is also filtered out during regular expression filtering.

The open green eyes burst into an astonishing green flash, instantly scared away the wild dogs trapped in the garbage. @-= % = More-more highlights ^ novels =, all & in the aspect * Chinese network ~ $ | ~ *
Looking at the wild dogs who have fled the garbage collection, the light in the eyes of unknown creatures in the garbage collection immediately fell victim to the motion completely covered by the garbage collection, try to find a more comfortable posture under the garbage. @-= % = More-more highlights ^ novels =, all & in the aspect * Chinese network ~ $ | ~ *
"Ah, I am wise,

How to use PHP regular expressions to filter out @-= % = more-more highlights ^ novels =, do & in the aspect * Chinese network ~ $ | ~ * The content is changed randomly. I use $ str = preg_replace ('/(.*?) <\/Span>/isU ', '', $ r_con [$ setting ['Cap _ content_html_rule'] [0]). after filtering, most of the content in the middle is also filtered.
Please help

Share To: @-= % = more-more highlights ^ novels =, do everything & in the aspect * Chinese network ~ $ |... 'Data-pics = ''>

------ Solution --------------------
Str = preg_replace ('/(.*?) <\/Span>/is ', '', $ r_con [$ setting ['Cap _ content_html_rule'] [0]);
------ Solution --------------------

$ Str = <
 The open green eyes burst into an astonishing green flash, instantly scared away the wild dogs trapped in the garbage. @-= % = More-more highlights ^ novels =, all & in the aspect * Chinese network ~ $
------ Solution --------------------
~ *
Looking at the wild dogs who have fled the garbage collection, the light in the eyes of unknown creatures in the garbage collection immediately fell victim to the motion completely covered by the garbage collection, try to find a more comfortable posture under the garbage. @-= % = More-more highlights ^ novels =, all & in the aspect * Chinese network ~ $
------ Solution --------------------
~ *
"Ah, I am wise,
Html;

Echo preg_replace ('//', '', $ str );