Case Insensitive Rewrite Rule

I know I need to add an "i" but where?

[itledi]

I'm trying to modify a rewrite rule in my .htaccess file to be case insensitive.

RewriteRule ^([aeiouy]{1})/?$ ...

I know I need to add an "i" somwhere to make it to also accept uppercase letters, but where?

I guessed inside the set at the end, but it didn't seem to work.
RewriteRule ^([aeiouy/i]{1})/?$ ...

[milanmk]

You need to set flag (NC) as third argument to the RewriteRule directive.

Apache module mod_rewrite [httpd.apache.org]

Milan

[jdMorgan]

And the "{1}" is redundant, since {1} is the default quantifier for all pattern elements:

RewriteRule ^([aeiouy])/?$ new_path [NC]

Also, you won't need the parentheses unless you wish to back-reference the enclosed matched subpattern.

Jim

[itledi]

Thank you.

The [NC] does the trick, and I also didn't realize that {1} is redundent, now now I'm able to trim up my code a bit.

I do back reference the subpattern.