Import channel scan code into retrieval-rs

err/Cargo.toml

@@ -17,3 +17,4 @@ chrono = { version = "0.4.19", features = ["serde"] }
 nom = "6.1.2"
 tokio-postgres = { version = "0.7", features = ["runtime", "with-chrono-0_4", "with-serde_json-1"] }
 serde_cbor = "0.11.1"
+regex = "1.5.4"

err/src/lib.rs

@@ -231,6 +231,12 @@ impl From<std::fmt::Error> for Error {
     }
 }
 
+impl From<regex::Error> for Error {
+    fn from(k: regex::Error) -> Self {
+        Self::with_msg(k.to_string())
+    }
+}
+
 pub fn todo() {
     todo!("TODO");
 }