NekoSMS

NekoSMS is a pattern-based text message blocker for Android. It requires a rooted phone running Android 4.4 KitKat or newer, and the Xposed framework installed.

Features:

• Works with all SMS apps, stock or third party
• Block messages based on sender and/or content
• Supports regular expressions, wildcard patterns, and more
• Backup and restore your filter rules across devices
• Free, both as in beer and in speech
• No internet access, no ads, no telemetry