diff --git a/docs/adr/0005-switch-to-onig-sys-api.md b/docs/adr/0005-switch-to-onig-sys-api.md
index d37e8fea4ef68a62ad68bbf042867782f429838b..5b1a1f7a783ed494e7153a3240d14adc2c6ef55f 100644
--- a/docs/adr/0005-switch-to-onig-sys-api.md
+++ b/docs/adr/0005-switch-to-onig-sys-api.md
@@ -14,7 +14,7 @@ for examples:
 
  - ONIG_REGSET_POSITION_LEAD (returns most left position)
  - ONIG_OPTION_CAPTURE_GROUP      named and no-named group captured.
- 
+
 
 ## Decision
 
diff --git a/scie-scanner/src/scanner/scanner.rs b/scie-scanner/src/scanner/scanner.rs
index ab2f836a2c1d383eb7544e6088ec5414c4ecf54a..ccea7b740ded04756e0467638985b4651d505e5f 100644
--- a/scie-scanner/src/scanner/scanner.rs
+++ b/scie-scanner/src/scanner/scanner.rs
@@ -1,4 +1,4 @@
-use onig::Regex;
+use onig::{Regex, SearchOptions};
 use unicode_segmentation::UnicodeSegmentation;
 
 #[derive(Debug, Clone, Serialize)]
@@ -68,6 +68,10 @@ impl Scanner {
             let regex = _regex.unwrap();
             let mut capture_indices = vec![];
             let _captures = regex.captures(after_pos_str.as_str());
+            let zz = regex.search_with_options(&*origin_str.clone(), start_pos as usize, origin_str.clone().len(), SearchOptions::SEARCH_OPTION_NOTBOL, None);
+            if let Some(pos) = zz {
+                println!("pos: {:?}", pos);
+            }
 
             if let Some(captures) = _captures {
                 for (_, pos) in captures.iter_pos().enumerate() {