fix: Significant figures (3) for small-number notebook comparisons

Author: huseyincavusbi

demos/doc_sanitize.cfg

@@ -18,6 +18,18 @@ replace:
 regex: ([1-9]\d*\.\d{3})\d+
 replace: \1
 
-[regex6]
-regex: (0\.\d{4})\d+
+[regex6a]
+regex: (0\.000[1-9]\d{2})\d+
+replace: \1
+
+[regex6b]
+regex: (0\.00[1-9]\d{2})\d+
+replace: \1
+
+[regex6c]
+regex: (0\.0[1-9]\d{2})\d+
+replace: \1
+
+[regex6d]
+regex: (0\.[1-9]\d{2})\d+
 replace: \1