diff --git a/cockatrice/src/deck_loader.cpp b/cockatrice/src/deck_loader.cpp
index 44ea3087..af5b7778 100644
--- a/cockatrice/src/deck_loader.cpp
+++ b/cockatrice/src/deck_loader.cpp
@@ -289,7 +289,7 @@ QString DeckLoader::getCardZoneFromName(QString cardName, QString currentZoneNam
     return currentZoneName;
 }
 
-QString DeckLoader::getCompleteCardName(const QString cardName) const
+QString DeckLoader::getCompleteCardName(const QString &cardName) const
 {
     if (db) {
         CardInfoPtr temp = db->guessCard(cardName);
diff --git a/cockatrice/src/deck_loader.h b/cockatrice/src/deck_loader.h
index ac8926f2..721d1c78 100644
--- a/cockatrice/src/deck_loader.h
+++ b/cockatrice/src/deck_loader.h
@@ -58,7 +58,7 @@ protected:
                                     QList<DecklistCardNode *> cards,
                                     bool addComments = true);
     virtual QString getCardZoneFromName(QString cardName, QString currentZoneName);
-    virtual QString getCompleteCardName(const QString cardName) const;
+    virtual QString getCompleteCardName(const QString &cardName) const;
 };
 
 #endif
diff --git a/common/decklist.cpp b/common/decklist.cpp
index 09ceb2b7..cd1a4352 100644
--- a/common/decklist.cpp
+++ b/common/decklist.cpp
@@ -488,34 +488,33 @@ bool DeckList::saveToFile_Native(QIODevice *device)
 
 bool DeckList::loadFromStream_Plain(QTextStream &in)
 {
-    const QRegularExpression reCardLine("^\\s*[\\w\\[\\(\\{].*$", QRegularExpression::UseUnicodePropertiesOption);
+    const QRegularExpression reCardLine(R"(^\s*[\w\[\(\{].*$)", QRegularExpression::UseUnicodePropertiesOption);
     const QRegularExpression reEmpty("^\\s*$");
-    const QRegularExpression reComment("[\\w\\[\\(\\{].*$", QRegularExpression::UseUnicodePropertiesOption);
+    const QRegularExpression reComment(R"([\w\[\(\{].*$)", QRegularExpression::UseUnicodePropertiesOption);
     const QRegularExpression reSBMark("^\\s*sb:\\s*(.+)", QRegularExpression::CaseInsensitiveOption);
     const QRegularExpression reSBComment("^sideboard\\b.*$", QRegularExpression::CaseInsensitiveOption);
     const QRegularExpression reDeckComment("^((main)?deck(list)?|mainboard)\\b",
                                            QRegularExpression::CaseInsensitiveOption);
 
     // simplified matches
-    const QRegularExpression reMultiplier("^[xX\\(\\[]*(\\d+)[xX\\*\\)\\]]* ?(.+)");
-    const QRegularExpression reBrace(" ?[\\[\\{][^\\]\\}]*[\\]\\}] ?"); // not nested
-    const QRegularExpression reRoundBrace("^\\([^\\)]*\\) ?");          // () are only matched at start of string
-    const QRegularExpression reDigitBrace(" ?\\(\\d*\\) ?");            // () are matched if containing digits
-    const QRegularExpression reBraceDigit(
-        " ?\\([\\dA-Z]+\\) *\\d+$"); // () are matched if containing setcode then a number
+    const QRegularExpression reMultiplier(R"(^[xX\(\[]*(\d+)[xX\*\)\]]* ?(.+))");
+    const QRegularExpression reBrace(R"( ?[\[\{][^\]\}]*[\]\}] ?)"); // not nested
+    const QRegularExpression reRoundBrace(R"(^\([^\)]*\) ?)");       // () are only matched at start of string
+    const QRegularExpression reDigitBrace(R"( ?\(\d*\) ?)");         // () are matched if containing digits
+                                                             // () are matched if containing setcode then a number
+    const QRegularExpression reBraceDigit(R"( ?\([\dA-Z]+\) *\d+$)");
     const QHash<QRegularExpression, QString> differences{{QRegularExpression("’"), QString("'")},
                                                          {QRegularExpression("Æ"), QString("Ae")},
                                                          {QRegularExpression("æ"), QString("ae")},
-                                                         {QRegularExpression(" ?[|/]+ ?"), QString(" // ")},
-                                                         {QRegularExpression("(?<![A-Z]) ?& ?"), QString(" // ")}};
+                                                         {QRegularExpression(" ?[|/]+ ?"), QString(" // ")}};
 
     cleanList();
 
-    QStringList inputs = in.readAll().trimmed().split('\n');
-    int max_line = inputs.size();
+    auto inputs = in.readAll().trimmed().split('\n');
+    auto max_line = inputs.size();
 
     // start at the first empty line before the first cardline
-    int deckStart = inputs.indexOf(reCardLine);
+    auto deckStart = inputs.indexOf(reCardLine);
     if (deckStart == -1) { // there are no cards?
         if (inputs.indexOf(reComment) == -1) {
             return false; // input is empty
@@ -537,7 +536,7 @@ bool DeckList::loadFromStream_Plain(QTextStream &in)
             if (sBStart == -1) {
                 sBStart = max_line;
             }
-            int nextCard = inputs.indexOf(reCardLine, sBStart + 1);
+            auto nextCard = inputs.indexOf(reCardLine, sBStart + 1);
             if (inputs.indexOf(reEmpty, nextCard + 1) != -1) {
                 sBStart = max_line; // if there is another empty line all cards are mainboard
             }
@@ -549,7 +548,7 @@ bool DeckList::loadFromStream_Plain(QTextStream &in)
 
     // parse name and comments
     while (index < deckStart) {
-        const QString current = inputs.at(index++);
+        const auto &current = inputs.at(index++);
         if (!current.contains(reEmpty)) {
             match = reComment.match(current);
             name = match.captured();
@@ -557,7 +556,7 @@ bool DeckList::loadFromStream_Plain(QTextStream &in)
         }
     }
     while (index < deckStart) {
-        const QString current = inputs.at(index++);
+        const auto &current = inputs.at(index++);
         if (!current.contains(reEmpty)) {
             match = reComment.match(current);
             comments += match.captured() + '\n';
@@ -631,7 +630,7 @@ bool DeckList::loadFromStream_Plain(QTextStream &in)
     return true;
 }
 
-InnerDecklistNode *DeckList::getZoneObjFromName(const QString zoneName)
+InnerDecklistNode *DeckList::getZoneObjFromName(const QString &zoneName)
 {
     for (int i = 0; i < root->size(); i++) {
         auto *node = dynamic_cast<InnerDecklistNode *>(root->at(i));
diff --git a/common/decklist.h b/common/decklist.h
index 3323dc99..4fe2d34a 100644
--- a/common/decklist.h
+++ b/common/decklist.h
@@ -178,14 +178,14 @@ private:
     QMap<QString, SideboardPlan *> sideboardPlans;
     InnerDecklistNode *root;
     void getCardListHelper(InnerDecklistNode *node, QSet<QString> &result) const;
-    InnerDecklistNode *getZoneObjFromName(QString zoneName);
+    InnerDecklistNode *getZoneObjFromName(const QString &zoneName);
 
 protected:
     virtual QString getCardZoneFromName(const QString /*cardName*/, QString currentZoneName)
     {
         return currentZoneName;
     };
-    virtual QString getCompleteCardName(const QString cardName) const
+    virtual QString getCompleteCardName(const QString &cardName) const
     {
         return cardName;
     };
diff --git a/tests/loading_from_clipboard/loading_from_clipboard_test.cpp b/tests/loading_from_clipboard/loading_from_clipboard_test.cpp
index de5fb2e3..6f9762be 100644
--- a/tests/loading_from_clipboard/loading_from_clipboard_test.cpp
+++ b/tests/loading_from_clipboard/loading_from_clipboard_test.cpp
@@ -127,9 +127,10 @@ TEST(LoadingFromClipboardTest, EdgeCaseTesting)
 //(test) Æ ’ | / (3)
 
 
-// Mainboard (10 cards)
+// Mainboard (11 cards)
 Æther Adept
-2x Fire & Ice
+2x Fire // Ice
+1 Minsc & Boo, Timeless Heroes
 3 Pain/Suffering
 4X [B] Forest (3)
 
@@ -145,7 +146,11 @@ TEST(LoadingFromClipboardTest, EdgeCaseTesting)
 )");
 
     Result result("DeckName", "Comment 1\n\nComment [two]\n(test) Æ ’ | / (3)",
-                  {{"Aether Adept", 1}, {"Fire // Ice", 2}, {"Pain // Suffering", 3}, {"Forest", 4}},
+                  {{"Aether Adept", 1},
+                   {"Fire // Ice", 2},
+                   {"Minsc & Boo, Timeless Heroes", 1},
+                   {"Pain // Suffering", 3},
+                   {"Forest", 4}},
                   {{"Nature's Resurgence", 5}, {"Gaea's Skyfolk", 6}, {"B.F.M. (Big Furry Monster)", 7}});
     testDeck(clipboard, result);
 }