Fix handling of dot folders

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "untildify"
 description = "Utility to replace ~ with user home directory."
-version = "0.1.0"
+version = "0.1.1"
 edition = "2018"
 license = "MIT"
 readme = "README.md"

src/lib.rs

@@ -23,7 +23,7 @@ pub fn untildify(input_path: &str) -> String {
     return match get_host_dir() {
         Some(path) => {
             let host_dir = path.to_str().unwrap();
-            let re = Regex::new(r"^~([/\w]+)").unwrap();
+            let re = Regex::new(r"^~([/\w.]+)").unwrap();
             match re.captures(input_path) {
                 Some(captures) => {
                     return format!("{}{}", host_dir, &captures[1]);
@@ -71,4 +71,14 @@ mod tests {
         assert_eq!(untildify("/"), "/");
         assert_eq!(untildify("~/Desktop/~/Code"), "/User/Untildify/Desktop/");
     }
+
+    #[test]
+    fn test_with_dot_folders() {
+        env::remove_var("HOME");
+
+        let home = Path::new("/User/Untildify");
+        env::set_var("HOME", home.as_os_str());
+
+        assert_eq!(untildify("~/.ssh/id_rsa"), "/User/Untildify/.ssh/id_rsa");
+    }
 }