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php和editplus正则表达式去除空白行

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Release: 2016-06-06 20:04:58
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这篇文章主要介绍了php和editplus正则表达式去除空白行,本文直接给出正则表达式的写法,需要的朋友可以参考下

去除字符串内部的空行:

复制代码 代码如下:


$str = preg_replace("/(\s*?\r?\n\s*?)+/","\n",$str);


去除全部的空行,,包括内部和头尾:

复制代码 代码如下:


$str = preg_replace('/($\s*$)|(^\s*^)/m', '',$str);

editplus中替换空白行的正则表达式:

正则表达式:^[\t\n ]*\n

php和editplus正则表达式去除空白行

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