diff --git a/scie-scanner/src/scanner/old/scie_error.rs b/scie-scanner/src/scanner/old/scie_error.rs
index c0a01a041ff67856f55b0ef6ac714bad82e0e61a..cb91238ab8a68e3d217618963727aa5aa6b279f2 100644
--- a/scie-scanner/src/scanner/old/scie_error.rs
+++ b/scie-scanner/src/scanner/old/scie_error.rs
@@ -23,7 +23,6 @@
 
 
 use std::os::raw::c_int;
-use std::ptr::null;
 use std::{error, fmt, str};
 
 /// This struture represents an error from the underlying Oniguruma libray.
@@ -37,9 +36,9 @@ impl ScieOnigError {
         ScieOnigError::new(code, info)
     }
 
-    fn from_code(code: c_int) -> ScieOnigError {
-        ScieOnigError::new(code, null())
-    }
+    // fn from_code(code: c_int) -> ScieOnigError {
+    //     ScieOnigError::new(code, null())
+    // }
 
     fn new(code: c_int, info: *const onig_sys::OnigErrorInfo) -> ScieOnigError {
         let buff = &mut [0; onig_sys::ONIG_MAX_ERROR_MESSAGE_LEN as usize];
diff --git a/scie-scanner/src/scanner/old/scie_onig.rs b/scie-scanner/src/scanner/old/scie_onig.rs
index 5c2ef97219092646a984f7ccb2b14cc6d593dd98..8f85106369d42ce9ebd53a991d5fe5b3211254b6 100644
--- a/scie-scanner/src/scanner/old/scie_onig.rs
+++ b/scie-scanner/src/scanner/old/scie_onig.rs
@@ -70,7 +70,7 @@ mod tests {
 
     #[test]
     fn it_works() {
-        ScieOnig::demo_new(r"^");
+        let _result = ScieOnig::demo_new(r"^");
         assert!(true)
     }
 }
diff --git a/scie-scanner/src/scanner/onig_string.rs b/scie-scanner/src/scanner/onig_string.rs
index 4d8cc99163e53e6617dcc732d02965930889ea19..e9cf8378e0e237bc73d832a0d0bc17705592ac07 100644
--- a/scie-scanner/src/scanner/onig_string.rs
+++ b/scie-scanner/src/scanner/onig_string.rs
@@ -1,28 +1,29 @@
 use unicode_segmentation::UnicodeSegmentation;
 
+#[derive(Clone, Debug)]
 pub struct OnigString {
- pub utf16length: i32,
- pub utf8length: i32,
- pub utf16value: String,
- pub utf8value: Vec<u8>,
- pub utf16offset_to_utf8: Option<Vec<u32>>,
- pub utf8offset_to_utf16: Option<Vec<u32>>,
+    pub utf16length: i32,
+    pub utf8length: i32,
+    pub utf16value: String,
+    pub utf8value: Vec<u8>,
+    pub utf16offset_to_utf8: Option<Vec<u32>>,
+    pub utf8offset_to_utf16: Option<Vec<u32>>,
 
 }
 
 impl OnigString {
     pub fn new(str: String) -> Self {
-        let utf16length = str.len();
-        let utf8_str = str.graphemes(true).collect::<Vec<&str>>().clone();
-        println!("{:?}", utf8_str);
-        let utf8length = utf8_str.len();
-
+        let mut utf16_vec: Vec<u16> = str.encode_utf16().collect();
+        let utf16length = utf16_vec.len();
+        // let utf8_str = str.graphemes(true).collect::<Vec<&str>>().clone();
+        let utf8length = str.len();
+        let utf8value = str.clone().into_bytes();
 
         OnigString {
             utf16length: utf16length as i32,
             utf8length: utf8length as i32,
-            utf16value: "".to_string(),
-            utf8value: vec![],
+            utf16value: str.clone(),
+            utf8value,
             utf16offset_to_utf8: None,
             utf8offset_to_utf16: None
         }
@@ -37,7 +38,9 @@ mod tests {
     #[test]
     fn it_show_works_works() {
         let onig_string = OnigString::new(String::from("a💻bYX"));
-        assert_eq!(8, onig_string.utf16length);
-        assert_eq!(5, onig_string.utf8length);
+        println!("{:?}", onig_string);
+
+        assert_eq!(6, onig_string.utf16length);
+        assert_eq!(8, onig_string.utf8length);
     }
 }