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求一正则，可以替换空白段落
- WBOYOriginal
- 2016-06-23 14:17:28890browse
可以替换诸如以下的空白段落：
(WHITESPACE)
(NEWLINE)
(NEWLINE)
(NEWLINE)
空白段中可能有回车，换行，缩进，空格等，怎么写正则
回复讨论(解决方案)
echo preg_replace('/\s+/','',$s);
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