note 57108 added to function.preg-match
| From: | markdotmevesatgoogle | Date: | Fri, 23 Sep 2005 21:56:34 +0000 |
| Subject: | note 57108 added to function.preg-match | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-95673@lists.php.net to get a copy of this message | ||
/**
escape any string for use inside a regular expression such
that special characters are used literally.
@return the new string
note that if you use a non-standard regex delimiter (usu. "|" or "/")
add that to the list.
kevin dot bro may have a "better" version below (march '03)
*/
function preg_escape($sUnescaped)
{
$sCharsThatHaveSpecialMeaningInRegexes = '/\\^$.[]|()?*+{}';
$sSpecialCharsEscaped = implode('\\',
str_split($sCharsThatHaveSpecialMeaningInRegexes)
);
$sOccurencesOfSpecialCharsPrecededByBackslash
= preg_replace(
'|(['.$sSpecialCharsEscaped.'])|',
'\\\${1}',
$sUnescaped
);
return $sOccurencesOfSpecialCharsPrecededByBackslash;
}
----
Manual Page -- http://www.php.net/manual/en/function.preg-match.php
Edit -- http://master.php.net/manage/user-notes.php?action=edit+57108
Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+57108&report=yes&reason=added+to+the+manual
Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+57108&report=yes&reason=bad+code
Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+57108&report=yes&reason=spam
Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+57108&report=yes&reason=useless
Delete: non-english -- http://master.php.net/manage/user-notes.php?action=delete+57108&report=yes&reason=non-english
Delete: already in docs -- http://master.php.net/manage/user-notes.php?action=delete+57108&report=yes&reason=already+in+docs
Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+57108&report=yes
Reject -- http://master.php.net/manage/user-notes.php?action=reject+57108&report=yes
Search -- http://master.php.net/manage/user-notes.php