diff --git a/src/xlsx/xlsxrichstring.cpp b/src/xlsx/xlsxrichstring.cpp
index e90614e..4d02594 100644
--- a/src/xlsx/xlsxrichstring.cpp
+++ b/src/xlsx/xlsxrichstring.cpp
@@ -70,10 +70,7 @@ RichString::RichString()
 RichString::RichString(const QString text)
     :d(new RichStringPrivate)
 {
-    if (Qt::mightBeRichText(text))
-        setHtml(text);
-    else
-        addFragment(text, Format());
+    addFragment(text, Format());
 }
 
 /*!
diff --git a/src/xlsx/xlsxworkbook.cpp b/src/xlsx/xlsxworkbook.cpp
index 3dfe03b..ed08ee0 100755
--- a/src/xlsx/xlsxworkbook.cpp
+++ b/src/xlsx/xlsxworkbook.cpp
@@ -55,6 +55,7 @@ WorkbookPrivate::WorkbookPrivate(Workbook *q, Workbook::CreateFlag flag) :
     window_height = 9660;
 
     strings_to_numbers_enabled = false;
+    strings_to_hyperlinks_enabled = true;
     html_to_richstring_enabled = false;
     date1904 = false;
     defaultDateFormat = QStringLiteral("yyyy-mm-dd");
@@ -118,6 +119,18 @@ bool Workbook::isStringsToNumbersEnabled() const
     return d->strings_to_numbers_enabled;
 }
 
+void Workbook::setStringsToHyperlinksEnabled(bool enable)
+{
+    Q_D(Workbook);
+    d->strings_to_hyperlinks_enabled = enable;
+}
+
+bool Workbook::isStringsToHyperlinksEnabled() const
+{
+    Q_D(const Workbook);
+    return d->strings_to_hyperlinks_enabled;
+}
+
 void Workbook::setHtmlToRichStringEnabled(bool enable)
 {
     Q_D(Workbook);
diff --git a/src/xlsx/xlsxworkbook.h b/src/xlsx/xlsxworkbook.h
index 288e853..464f046 100755
--- a/src/xlsx/xlsxworkbook.h
+++ b/src/xlsx/xlsxworkbook.h
@@ -74,6 +74,8 @@ public:
     void setDate1904(bool date1904);
     bool isStringsToNumbersEnabled() const;
     void setStringsToNumbersEnabled(bool enable=true);
+    bool isStringsToHyperlinksEnabled() const;
+    void setStringsToHyperlinksEnabled(bool enable=true);
     bool isHtmlToRichStringEnabled() const;
     void setHtmlToRichStringEnabled(bool enable=true);
     QString defaultDateFormat() const;
diff --git a/src/xlsx/xlsxworkbook_p.h b/src/xlsx/xlsxworkbook_p.h
index 727d97f..c3a7c60 100644
--- a/src/xlsx/xlsxworkbook_p.h
+++ b/src/xlsx/xlsxworkbook_p.h
@@ -82,6 +82,7 @@ public:
     QList<XlsxDefineNameData> definedNamesList;
 
     bool strings_to_numbers_enabled;
+    bool strings_to_hyperlinks_enabled;
     bool html_to_richstring_enabled;
     bool date1904;
     QString defaultDateFormat;
diff --git a/src/xlsx/xlsxworksheet.cpp b/src/xlsx/xlsxworksheet.cpp
index 4f3509a..acd1931 100755
--- a/src/xlsx/xlsxworksheet.cpp
+++ b/src/xlsx/xlsxworksheet.cpp
@@ -60,7 +60,7 @@ WorksheetPrivate::WorksheetPrivate(Worksheet *p, Worksheet::CreateFlag flag)
     : AbstractSheetPrivate(p, flag)
   , windowProtection(false), showFormulas(false), showGridLines(true), showRowColHeaders(true)
   , showZeros(true), rightToLeft(false), tabSelected(false), showRuler(false)
-  , showOutlineSymbols(true), showWhiteSpace(true)
+  , showOutlineSymbols(true), showWhiteSpace(true), urlPattern(QStringLiteral("^([fh]tt?ps?://)|(mailto:)|(file://)"))
 {
     previous_row = 0;
 
@@ -429,32 +429,10 @@ bool Worksheet::write(int row, int column, const QVariant &value, const Format &
     if (value.isNull()) {
         //Blank
         ret = writeBlank(row, column, format);
-    } else if (value.userType() == qMetaTypeId<RichString>()) {
-        ret = writeString(row, column, value.value<RichString>(), format);
-    } else if (value.userType() == QMetaType::Bool) {
-        //Bool
-        ret = writeBool(row,column, value.toBool(), format);
-    } else if (value.userType() == QMetaType::QDateTime || value.userType() == QMetaType::QDate) {
-        //DateTime, Date
-        //  note that, QTime cann't convert to QDateTime
-        ret = writeDateTime(row, column, value.toDateTime(), format);
-    } else if (value.userType() == QMetaType::QTime) {
-        //Time
-        ret = writeTime(row, column, value.toTime(), format);
-    } else if (value.userType() == QMetaType::Int || value.userType() == QMetaType::UInt
-               || value.userType() == QMetaType::LongLong || value.userType() == QMetaType::ULongLong
-               || value.userType() == QMetaType::Double || value.userType() == QMetaType::Float) {
-        //Number
-
-        ret = writeNumeric(row, column, value.toDouble(), format);
-    } else if (value.userType() == QMetaType::QUrl) {
-        //Url
-        ret = writeHyperlink(row, column, value.toUrl(), format);
     } else if (value.userType() == QMetaType::QString) {
         //String
         QString token = value.toString();
         bool ok;
-        QRegularExpression urlPattern(QStringLiteral("^([fh]tt?ps?://)|(mailto:)|(file://)"));
 
         if (token.startsWith(QLatin1String("="))) {
             //convert to formula
@@ -462,7 +440,7 @@ bool Worksheet::write(int row, int column, const QVariant &value, const Format &
         } else if (token.startsWith(QLatin1String("{=")) && token.endsWith(QLatin1Char('}'))) {
             //convert to array formula
             ret = writeArrayFormula(CellRange(row, column, row, column), token, format);
-        } else if (token.contains(urlPattern)) {
+        } else if (d->workbook->isStringsToHyperlinksEnabled() && token.contains(d->urlPattern)) {
             //convert to url
             ret = writeHyperlink(row, column, QUrl(token));
         } else if (d->workbook->isStringsToNumbersEnabled() && (value.toDouble(&ok), ok)) {
@@ -472,6 +450,27 @@ bool Worksheet::write(int row, int column, const QVariant &value, const Format &
             //normal string now
             ret = writeString(row, column, token, format);
         }
+    } else if (value.userType() == qMetaTypeId<RichString>()) {
+        ret = writeString(row, column, value.value<RichString>(), format);
+    } else if (value.userType() == QMetaType::Int || value.userType() == QMetaType::UInt
+               || value.userType() == QMetaType::LongLong || value.userType() == QMetaType::ULongLong
+               || value.userType() == QMetaType::Double || value.userType() == QMetaType::Float) {
+        //Number
+
+        ret = writeNumeric(row, column, value.toDouble(), format);
+    } else if (value.userType() == QMetaType::Bool) {
+        //Bool
+        ret = writeBool(row,column, value.toBool(), format);
+    } else if (value.userType() == QMetaType::QDateTime || value.userType() == QMetaType::QDate) {
+        //DateTime, Date
+        //  note that, QTime cann't convert to QDateTime
+        ret = writeDateTime(row, column, value.toDateTime(), format);
+    } else if (value.userType() == QMetaType::QTime) {
+        //Time
+        ret = writeTime(row, column, value.toTime(), format);
+    } else if (value.userType() == QMetaType::QUrl) {
+        //Url
+        ret = writeHyperlink(row, column, value.toUrl(), format);
     } else {
         //Wrong type
         return false;
@@ -635,7 +634,7 @@ bool Worksheet::writeString(int row, int column, const QString &value, const For
         return false;
 
     RichString rs;
-    if (Qt::mightBeRichText(value) && d->workbook->isHtmlToRichStringEnabled())
+    if (d->workbook->isHtmlToRichStringEnabled() && Qt::mightBeRichText(value))
         rs.setHtml(value);
     else
         rs.addFragment(value, Format());
diff --git a/src/xlsx/xlsxworksheet_p.h b/src/xlsx/xlsxworksheet_p.h
index 5507eeb..1817ee3 100644
--- a/src/xlsx/xlsxworksheet_p.h
+++ b/src/xlsx/xlsxworksheet_p.h
@@ -44,6 +44,7 @@
 
 #include <QImage>
 #include <QSharedPointer>
+#include <QRegularExpression>
 
 class QXmlStreamWriter;
 class QXmlStreamReader;
@@ -176,6 +177,8 @@ public:
     bool showRuler;
     bool showOutlineSymbols;
     bool showWhiteSpace;
+
+    QRegularExpression urlPattern;
 };
 
 }