Fix goto locator to support leading NESW (#6041)

Author: 3nids

src/core/locator/gotolocatorfilter.cpp

@@ -93,15 +93,30 @@ void GotoLocatorFilter::fetchResults( const QString &string, const QgsLocatorCon
   if ( !match.hasMatch() )
   {
     // Check if the string is a pair of degree minute second
-    separatorRx = QRegularExpression( QStringLiteral( "^((?:([-+nsew])\\s*)?\\d{1,3}(?:[^0-9.]+[0-5]?\\d)?[^0-9.]+[0-5]?\\d(?:[\\.\\%1]\\d+)?[^0-9.,]*[-+nsew]?)[,\\s]+((?:([-+nsew])\\s*)?\\d{1,3}(?:[^0-9.]+[0-5]?\\d)?[^0-9.]+[0-5]?\\d(?:[\\.\\%1]\\d+)?[^0-9.,]*[-+nsew]?)$" )
-                                        .arg( locale.decimalPoint() ) );
+    const QString dmsRx = QStringLiteral( "\\d{1,3}(?:[^0-9.]+[0-5]?\\d)?[^0-9.]+[0-5]?\\d(?:[\\.\\%1]\\d+)?" ).arg( locale.decimalPoint() );
+    separatorRx = QRegularExpression( QStringLiteral(
+                                        "^("
+                                        "(\\s*%1[^0-9.,]*[-+NSEWnsew]?)[,\\s]+(%1[^0-9.,]*[-+NSEWnsew]?)"
+                                        ")|("
+                                        "((?:([-+NSEWnsew])\\s*)%1[^0-9.,]*)[,\\s]+((?:([-+NSEWnsew])\\s*)%1[^0-9.,]*)"
+                                        ")$" )
+                                        .arg( dmsRx ) );
+
     match = separatorRx.match( string.trimmed() );
     if ( match.hasMatch() )
     {
       posIsWgs84 = true;
       bool isEasting = false;
-      firstNumber = QgsCoordinateUtils::dmsToDecimal( match.captured( 1 ), &firstOk, &isEasting );
-      secondNumber = QgsCoordinateUtils::dmsToDecimal( match.captured( 3 ), &secondOk );
+      if ( !match.captured( 1 ).isEmpty() )
+      {
+        firstNumber = QgsCoordinateUtils::dmsToDecimal( match.captured( 2 ), &firstOk, &isEasting );
+        secondNumber = QgsCoordinateUtils::dmsToDecimal( match.captured( 3 ), &secondOk );
+      }
+      else
+      {
+        firstNumber = QgsCoordinateUtils::dmsToDecimal( match.captured( 5 ), &firstOk, &isEasting );
+        secondNumber = QgsCoordinateUtils::dmsToDecimal( match.captured( 7 ), &secondOk );
+      }
       // normalize to northing (i.e. Y) first
       if ( isEasting )
         std::swap( firstNumber, secondNumber );