I'm quite new to regular expressions. Could you help me to create a pattern, which matches whole words, containing specific part? For example, if I have a text string "Perform a regular expression match" and if I search for express, it shuld give me expression, if I search for form, it should give me Perform and so on. Got the idea?
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- dssqq82402 2011-01-18 08:44关注
preg_match('/\b(express\w+)\b/', $string, $matches); // matches expression preg_match('/\b(\w*form\w*)\b/', $string, $matches); // matches perform, // formation, unformatted
Where:
-
\b
is a word boundary -
\w+
is one or more "word" character* -
\w*
is zero or more "word" characters
See the manual on escape sequences for PCRE.
* Note: although not really a "word character", the underscore
_
is also included int the character class\w
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