diff --git a/src/utils/veditutils.cpp b/src/utils/veditutils.cpp
index 4467cce6..8e6dd703 100644
--- a/src/utils/veditutils.cpp
+++ b/src/utils/veditutils.cpp
@@ -925,10 +925,10 @@ void VEditUtils::findCurrentWord(QTextCursor p_cursor,
     QString text = p_cursor.block().text();
     int pib = p_cursor.positionInBlock();
 
-    if (pib < text.size() && text[pib].isSpace()) {
+    if (pib < text.size() && isSpaceOrWordSeparator(text[pib])) {
         if (!p_findPrecedingWord
             || pib == 0
-            || text[pib - 1].isSpace()) {
+            || isSpaceOrWordSeparator(text[pib - 1])) {
             p_start = p_end = p_cursor.position();
             return;
         }
@@ -1099,3 +1099,8 @@ QString VEditUtils::removeCodeBlockFence(const QString &p_text)
     int idx = text.indexOf('\n') + 1;
     return text.mid(idx, text.size() - idx - 3);
 }
+
+bool VEditUtils::isSpaceOrWordSeparator(QChar p_char)
+{
+    return p_char.isSpace() || isWordSeparator(p_char);
+}
diff --git a/src/utils/veditutils.h b/src/utils/veditutils.h
index ca5da4e6..bad723d1 100644
--- a/src/utils/veditutils.h
+++ b/src/utils/veditutils.h
@@ -212,6 +212,8 @@ public:
 
     static bool isWordSeparator(QChar p_char);
 
+    static bool isSpaceOrWordSeparator(QChar p_char);
+
     // Remove the fence of fenced code block.
     static QString removeCodeBlockFence(const QString &p_text);
 
diff --git a/src/veditor.cpp b/src/veditor.cpp
index a7583fbd..efcd43d4 100644
--- a/src/veditor.cpp
+++ b/src/veditor.cpp
@@ -1553,7 +1553,7 @@ QString VEditor::fetchCompletionPrefix() const
     QString prefix;
     while (pos >= blockPos) {
         QChar ch = m_document->characterAt(pos);
-        if (ch.isSpace() || VEditUtils::isWordSeparator(ch)) {
+        if (VEditUtils::isSpaceOrWordSeparator(ch)) {
             break;
         }