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.preg_quotePodręcznik PHPPoprzedniNastępnypreg_quote (PHP 3>= 3.9, PHP 4 >= 4.0)preg_quote -- Quote regular expression charactersDescriptionstring preg_quote (string str [, stringdelimiter])
preg_quote() takes strand puts a backslash in front of every character that is part ofthe regular expression syntax.This is useful if you have arun-time string that you need to match in some text and thestring may contain special regex characters.
If the optional delimiter is specified, itwill also be escaped.This is useful for escaping the delimiterthat is required by the PCRE functions.The / is the most commonlyused delimiter.
The special regular expression characters are:.\\ + * ? [ ^ ] $ ( ) { } = ! < > | :
Przykład 1.$keywords = "$40 for a g3/400";$keywords = preg_quote ($keywords, "/");echo $keywords; // returns \$40 for a g3\/400Przykład 2.Italicizing a word within some text// In this example, preg_quote($word) is used to keep the// asterisks from having special meaning to the regular// expression.$textbody = "This book is *very* difficult to find.";$word = "*very*";$textbody = preg_replace ("/".preg_quote($word)."/","<i>".$word."</i>",$textbody);PoprzedniSpis treściNastępnypreg_splitPoczątek rozdziałupreg_grep
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