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pcre(php) regular expression to match url – SEO

I am working on SEO thing in project to match best URL from possible url’s, so
i am trying to match request url using preg_match() function from url pattern

can anyone please help me create regular expression to match only specific urls from all urls, i am newbie in Regular expression, please see my stuff

following 3 urls

1). http://domain.com/pressrelease/index/1
2). http://domain.com/pressrelease/123
3). http://domain.com/pressrelease/blah

i want to match 2,3 urls, urls have not contain of index/(:num) after pressrelease

i create this regular expression but it’s does not working 

(/pressrelease/)+((?!index).)*$
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2

Answers


  1. 0

    Since you’re passing the regex to preg_match, the below regex would be fine.

    /pressrelease/(?!index/d+b).*

    DEMO

    (?!index/d+b) negative lookahead assertion which asserts that the match /pressrelease/ won’t be followed by the string which is in the format like index/number.

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  2. 0

    It actually works, but it doesn’t match the first part of the URL.

    ^.*/pressrelease/(?!index).*$

    Take a look at this demo on Rubular to check it.

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