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正则表达式,该怎么处理
- WBOYOriginal
- 2016-06-13 13:40:101036browse
正则表达式
this is test
把is 替换成 a 但 this不能变
------解决方案--------------------
echo preg_replace('/\bis\b/', 'a', 'this is test');//this a test
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