Apache 301 redirect Query String URL

Question

I want to redirect to one query string URL to another:

example.com/product-category/search/?filter_grade-level=154

to

example.com/product-category/search/?filter_grade-level=k

Any thoughts what to add in .htaccess?

Answer 1

You need to use mod_rewrite to check the query string. Try something like the following at the top of your `.htaccess file:

RewriteEngine On
RewriteCond %{QUERY_STRING} ^(filter_grade-level)=154$
RewriteRule ^product-category/search/$ /$0?%1=k [R=301,L]

In the RewriteRule substitution (ie. /$0?%1=k), $0 is a backreference to the entire matched RewriteRule pattern and %1 is a backreference to the captured group in the last matched CondPattern (ie. "filter_grade-level").

So, on success, /$0?%1=k expands to:

/product-category/search/?filter_grade-level=k