diff --git a/packages/core/src/lib/markdown-it/highlight/HighlightRuleComponent.ts b/packages/core/src/lib/markdown-it/highlight/HighlightRuleComponent.ts
index 67ee973af..d6ed452df 100644
--- a/packages/core/src/lib/markdown-it/highlight/HighlightRuleComponent.ts
+++ b/packages/core/src/lib/markdown-it/highlight/HighlightRuleComponent.ts
@@ -57,7 +57,6 @@ export class HighlightRuleComponent {
       if (!lineNumber) return null;
 
       const isUnbounded = groups.every(x => x === '');
-
       if (isUnbounded) {
         return new HighlightRuleComponent(lineNumber, true, []);
       }
@@ -115,36 +114,17 @@ export class HighlightRuleComponent {
     let [start, end] = bound;
 
     if (start === UNBOUNDED) {
-      if (isAbsoluteIndexing) {
-        start = 0;
-      } else {
-        start = indents.length;
-      }
-    } else if (!isAbsoluteIndexing) {
-      start += indents.length;
-      // Clamp values
-      if (start < indents.length) {
-        start = indents.length;
-      } else if (start > line.length) {
-        start = line.length;
-      }
-    } else if (start > line.length) {
-      start = line.length;
+      start = isAbsoluteIndexing ? 0 : indents.length;
+    } else {
+      start = isAbsoluteIndexing ? start : Math.max(start + indents.length, indents.length);
+      start = Math.min(start, line.length);
     }
 
     if (end === UNBOUNDED) {
       end = line.length;
-    } else if (!isAbsoluteIndexing) {
-      end += indents.length;
-
-      // Clamp values
-      if (end < indents.length) {
-        end = indents.length;
-      } else if (end > line.length) {
-        end = line.length;
-      }
-    } else if (end > line.length) {
-      end = line.length;
+    } else {
+      end = isAbsoluteIndexing ? end : Math.max(end + indents.length, indents.length);
+      end = Math.min(end, line.length);
     }
 
     return [start, end];
diff --git a/packages/core/test/unit/lib/markdown-it/highlight/HighlightRuleComponent.test.ts b/packages/core/test/unit/lib/markdown-it/highlight/HighlightRuleComponent.test.ts
index 12e5eef6e..8ee9420f9 100644
--- a/packages/core/test/unit/lib/markdown-it/highlight/HighlightRuleComponent.test.ts
+++ b/packages/core/test/unit/lib/markdown-it/highlight/HighlightRuleComponent.test.ts
@@ -87,9 +87,9 @@ describe('computeCharBounds, absolute value bounds', () => {
     expect(bounds).toEqual(['  some text'.length, '  some text'.length]);
   });
 
-  test('handles line-length end correctly', () => {
-    const bounds = HighlightRuleComponent.computeCharBounds([0, 4], '  abcd', true);
-    expect(bounds).toEqual([0, 4]);
+  test('handles bounds spanning from start to line length correctly', () => {
+    const bounds = HighlightRuleComponent.computeCharBounds([0, 11], '  some text', true);
+    expect(bounds).toEqual([0, 11]);
   });
 });