Not working when try to match script tag in html

[guorenxi]

The Text:

<script type='text/javascript' src='https://www.xxx.com/wp-content/plugins/slick-social-share-buttons/js/ga.social_tracking.js?ver=4.7.10'></script>

The Regex Expression:
<script.slick.>.*</script>

The Conf:

location /
{
#proxy_ssl_server_name on;
proxy_connect_timeout 60s;
proxy_read_timeout 5400s;
proxy_send_timeout 5400s;
proxy_pass http://xxx.net/;
proxy_ssl_verify off;
#proxy_set_header X-Real-IP $remote_addr;
proxy_set_header Host "xxx.net";
proxy_set_header User-Agent $http_user_agent;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header Accept-Encoding '';
replace_filter '<script.slick.>.*</script>' '' g;
replace_filter_max_buffered_size 1024k;
}

Nginx Version nginx/1.14.0

Please help.

Thanks.