取数字的正则方法,该怎么解决

WBOY
Release: 2016-06-13 13:31:29
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取数字的正则方法
$a = '|234|';



想取出$a=234;

------解决方案--------------------
echo (int)str_replace('|','',$a);
------解决方案--------------------

PHP code
$a = '|234|';
preg_match('/\d+/',$a,$match);
print_r($match[0]); <div class="clear">
                 
              
              
        
            </div>
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