diff --git a/__tests__/ExpensiMark-Markdown-test.js b/__tests__/ExpensiMark-Markdown-test.js
index 297c8971..1ebfd21a 100644
--- a/__tests__/ExpensiMark-Markdown-test.js
+++ b/__tests__/ExpensiMark-Markdown-test.js
@@ -7,10 +7,12 @@ test('Test bold HTML replacement', () => {
     const boldTestStartString = 'This is a <strong>sentence,</strong> and it has some <strong>punctuation, words, and spaces</strong>. '
         + '<strong>test</strong> * testing* test*test*test. * testing * *testing * '
         + 'This is a <b>sentence,</b> and it has some <b>punctuation, words, and spaces</b>. '
+        + 'This is a <b style="font-size: 20px;">bold sentence with style</b> '
         + '<b>test</b> * testing* test*test*test. * testing * *testing *';
     const boldTestReplacedString = 'This is a *sentence,* and it has some *punctuation, words, and spaces*. '
         + '*test* * testing* test*test*test. * testing * *testing * '
         + 'This is a *sentence,* and it has some *punctuation, words, and spaces*. '
+        + 'This is a *bold sentence with style* '
         + '*test* * testing* test*test*test. * testing * *testing *';
 
     expect(parser.htmlToMarkdown(boldTestStartString)).toBe(boldTestReplacedString);
diff --git a/lib/ExpensiMark.ts b/lib/ExpensiMark.ts
index 8b97487c..7820b8f8 100644
--- a/lib/ExpensiMark.ts
+++ b/lib/ExpensiMark.ts
@@ -576,13 +576,14 @@ export default class ExpensiMark {
                     };
 
                     // Determine if the outer tag is bold
-                    const styleAttributeMatch = match.match(/style="(.*?)"/);
+                    const fontWeightRegex = /style="([^"]*?\bfont-weight:\s*(\d+|bold|normal)[^"]*?)"/;
+                    const styleAttributeMatch = match.match(fontWeightRegex);
                     const isFontWeightBold = isBoldFromStyle(styleAttributeMatch ? styleAttributeMatch[1] : null);
                     const isBold = styleAttributeMatch ? isFontWeightBold : tagName === 'b' || tagName === 'strong';
 
                     // Process nested spans with potential bold style
                     const processedInnerContent = innerContent.replace(/<span(?:"[^"]*"|'[^']*'|[^'">])*>([\s\S]*?)<\/span>/gi, (nestedMatch, nestedContent) => {
-                        const nestedStyleMatch = nestedMatch.match(/style="(.*?)"/);
+                        const nestedStyleMatch = nestedMatch.match(fontWeightRegex);
                         const isNestedBold = isBoldFromStyle(nestedStyleMatch ? nestedStyleMatch[1] : null);
                         return updateSpacesAndWrapWithAsterisksIfBold(nestedContent, isNestedBold);
                     });