: Using mod_rewrite to set cookie and modify domain name I have two editions of a website. The mobile and desktop version. All desktop sections of the website have normal urls and mobile sections

I have two editions of a website. The mobile and desktop version. All desktop sections of the website have normal urls and mobile sections have subdomain urls suffixed with the word mobile.

Example:

Main desktop site could be: core.website.com/ Mobile version of the same site could be: core-mobile.website.com/
Main promotional site could be: promo.website.com/ Mobile version of the same site could be: promo-mobile.website.com/

I want to try to achieve the redirections with mod_rewrite. Currently, I want to include the following lines in htaccess to detect mobile devices:

RewriteCond %{HTTP_USER_AGENT} (android|bbd+|meego).+mobile|avantgo|bada/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)/|plucker|pocket|psp|series(4|6)0|symbian|treo|up.(browser|link)|vodafone|wap|windows ce|xda|xiino [NC,OR]
RewriteCond %{HTTP_USER_AGENT} ^(1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw-(n|u)|c55/|capi|ccwa|cdm-|cell|chtm|cldc|cmd-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc-s|devi|dica|dmob|do(c|p)o|ds(12|-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(-|_)|g1 u|g560|gene|gf-5|g-mo|go(.w|od)|gr(ad|un)|haie|hcit|hd-(m|p|t)|hei-|hi(pt|ta)|hp( i|ip)|hs-c|ht(c(-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i-(20|go|ma)|i230|iac( |-|/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |/)|klon|kpt |kwc-|kyo(c|k)|le(no|xi)|lg( g|/(k|l|u)|50|54|-[a-w])|libw|lynx|m1-w|m3ga|m50/|ma(te|ui|xo)|mc(01|21|ca)|m-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|-([1-8]|c))|phil|pire|pl(ay|uc)|pn-2|po(ck|rt|se)|prox|psio|pt-g|qa-a|qc(07|12|21|32|60|-[2-7]|i-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55/|sa(ge|ma|mm|ms|ny|va)|sc(01|h-|oo|p-)|sdk/|se(c(-|0|1)|47|mc|nd|ri)|sgh-|shar|sie(-|m)|sk-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h-|v-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl-|tdg-|tel(i|m)|tim-|t-mo|to(pl|sh)|ts(70|m-|m3|m5)|tx-9|up(.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas-|your|zeto|zte-) [NC]

But the real core of the problem lies here:

RewriteCond %{HTTP_COOKIE} !DMOB=1
RewriteCond %{SERVER_NAME} ^(.+)^[(-mobile)]$ [NC]
RewriteRule ^(.*)$ %1-mobile/ [R=301,NC,L,CO=DMOB:1:.website.com:144000:/]

What I'm trying to accomplish here is the following:

When user visits a website without the -mobile sub-domain suffix, using a mobile device (as detected by the first two long RewriteRule lines) the system checks to see if the cookie named DMOB has a value of 1. If it does then nothing special happens and the requested site loads.

If however, DMOB is not set to 1 and a mobile device IS used, then the mobile sub-domain suffix must be added to the subdomain and then DMOB will be set to 1 starting with the next request and the url will be redirected over to the same thing plus the word -mobile appended to the subdomain name.

I tested it with curl using 1 and 0 for DMOB cookie values and I even tested it without the long mod_rewrite lines.

I think it has something to do with this line:

RewriteCond %{SERVER_NAME} ^(.+)^[(-mobile)]$ [NC]

But at the same time, I think that ^ means negate (or should I use a ! ?)