a reg

src/ledger/register.go

@@ -51,6 +51,26 @@ func (register Register) Names() []string {
 	return result
 }
 
+func (register Register) Like(pattern string) Register {
+	result := make(Register)
+	for k, v := range register {
+		if got := v.Like(pattern); len(got) > 0 {
+			result[k] = got
+		}
+	}
+	return result
+}
+
+func (register Register) NotLike(pattern string) Register {
+	result := make(Register)
+	for k, v := range register {
+		if got := v.NotLike(pattern); len(got) > 0 {
+			result[k] = got
+		}
+	}
+	return result
+}
+
 func (register Register) Dates() []string {
 	result := make([]string, 0, len(register))
 	for k := range register {