Replacing a specific string in htaccess using mod_rewrite

Question

The issue I have is that I need to match and replace a specific string in the URL, not splitting at the standard point of the querystring variables, and using only the second half of the the pagevars variable to be used in the intended URL.

In this particular case I need to use .htaccess to redirect this URL:

http://example.com/details.php?pagevars=this-variable-id-WGZ8765

to this:

http://example.com/item/id-WGZ8765

Is there a pattern or do you only want to rewrite this single URL? — Fabian Schmengler
– Fabian Schmengler, Commented Mar 1, 2013 at 11:09
The only part of the URL that is subject to change is the last part after the hyphen, in this case 'WGZ8765'. Everything else in the URL will always be the same — Westley Knight
– Westley Knight, Commented Mar 1, 2013 at 11:27

Fabian Schmengler · Accepted Answer · 2013-03-01 11:32:46Z

2

You have to use RewriteCond to analyze the query string, any captured patterns will be available as %N in RewriteRule (just as captured patterns in the rule itself are available as $N:

RewriteCond %{QUERY_STRING} this\-variable\-id\-(.*)$
RewriteRule ^details\.php$ /item/id-%1 [L]

answered Mar 1, 2013 at 11:32

Fabian Schmengler

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benlumley · Accepted Answer · 2013-03-01 12:55:29Z

1

Something along the lines of this should work...

RewriteCond %{QUERY_STRING} \-id\-([A-Za-z0-9]+)$
RewriteRule ^details\.php$ /item/id-%1 [L]

Hard to be certain without a bit more knowledge about what may/may not change in the original URL - it may be that you need to alter the way the regex is anchored.

edited Mar 1, 2013 at 12:55

answered Mar 1, 2013 at 11:15

benlumley

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1 Comment

Westley Knight Over a year ago

The only part of the URL that is subject to change is the last part after the hyphen, in this case 'WGZ8765'

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