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正则表达式匹配单词与值 PHP 前后的字符

[英]Regex match word with characters before and after the value PHP

 原文  2015-09-01 09:59:10  7   1    php/ regex/ expression

问题描述

I've been searching all day finding a regular expression that looks for a specific word even if there are signs in front or behind.我一整天都在寻找一个正则表达式，即使前面或后面有标志，也能查找特定单词。

It should be used for a bad words filter.它应该用于坏词过滤器。 It must look for exact matches but also with marks around the word它必须寻找精确匹配，但也必须在单词周围加上标记

It has to search through an array of bad words它必须搜索一系列坏词

For example:例如：

stupid - must match
123stupid - must match
stupid123 - must match
123stupid456 - must match
stupi - must not match (because the bad word is not fully inserted)

All I can find so far is looking only at whether the exact word (stupid but not 123stupid) or it also searches the half word (stupi)到目前为止我能找到的只是查看确切的单词（愚蠢但不是 123stupid）还是它也搜索半个单词（stupi）

Can anyone help me?谁能帮我？

1 个解决方案

解决方案1
 1  2015-09-01 10:04:11

你可以简单地使用

preg_match('/stupid/', $string)

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