Question about badges on forums

[soprano]

Yes, you can lose your Regular badge for being inactive. This post explains it in detail:

User Trust Levels

Regular (3) Regular are the most active readers and reliable contributors to the community, having been noticeably active and helpful in the past couple of months. This is time and activity based, unlike the previous levels. You can get to trust level 3 by… visiting at least 50 of the last 100 days. having replied to at least 10 different topics. of topics created in the last 100 days, having viewed 25% (capped at 500). of posts created in the last 100 days, having read 25% (capped at 10k). r…