Re: Problem with Regular expression
| From: | Tom Rogers | Date: | Wed, 27 Oct 2004 13:53:48 +0000 |
| Subject: | Re: Problem with Regular expression | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-200440@lists.php.net to get a copy of this message | ||
Hi,
Wednesday, October 27, 2004, 9:04:14 PM, you wrote:
k> Hi all.
k> I have a problem: i want subs any characters from a string but i don't
k> have fix the problem.
k> The string that i want to manipulate is the value from a text field of a
k> search engine.
k> The characters that i want to try substitute is &&, &, +, -, |, ||, or,
k> and, not in not case-sensitive mode with "".
k> I have create a pattern like this:
k> $str = "Sybase and PHP not ASP or JSP && Oracle not Andy | Perl ||
k> Python + Ruby";
k> $pattern =
k>
k> "/(\band\b)|(\bnot\b)|(\bor\b)|(\b&&\b)|(\b&\b)|(\b\.\b)|(\b\+\b)|(\b\|\|\b)|(\b\|\b)/i";
k> echo $str = preg_replace($pattern, "", $str, -1);
k> But characters like + && don't subs with "".
k> Thanks to all and sorry my bad language
this may get you started
preg_replace('!\s(and|not|or|&&|\||\|\||)\s|(\+|-\s*)!i',' ',$string);
you have to replace with ' ' or the words will run into each other and you may
also get the + or - with no trailing space.
--
regards,
Tom