ENH: Allow numbers in username in URL regex.
ENH: Allow numbers in username in URL regex.

cjh1/VTK,aashish24/VTK-old,spthaolt/VTK,spthaolt/VTK,sankhesh/VTK,sumedhasingla/VTK,arnaudgelas/VTK,jeffbaumes/jeffbaumes-vtk,biddisco/VTK,keithroe/vtkoptix,collects/VTK,sumedhasingla/VTK,naucoin/VTKSlicerWidgets,biddisco/VTK,candy7393/VTK,msmolens/VTK,sankhesh/VTK,msmolens/VTK,johnkit/vtk-dev,msmolens/VTK,SimVascular/VTK,johnkit/vtk-dev,collects/VTK,mspark93/VTK,arnaudgelas/VTK,gram526/VTK,hendradarwin/VTK,demarle/VTK,berendkleinhaneveld/VTK,gram526/VTK,keithroe/vtkoptix,jmerkow/VTK,Wuteyan/VTK,daviddoria/PointGraphsPhase1,arnaudgelas/VTK,naucoin/VTKSlicerWidgets,sumedhasingla/VTK,mspark93/VTK,jmerkow/VTK,gram526/VTK,spthaolt/VTK,SimVascular/VTK,johnkit/vtk-dev,Wuteyan/VTK,sumedhasingla/VTK,biddisco/VTK,mspark93/VTK,Wuteyan/VTK,jeffbaumes/jeffbaumes-vtk,daviddoria/PointGraphsPhase1,berendkleinhaneveld/VTK,daviddoria/PointGraphsPhase1,collects/VTK,naucoin/VTKSlicerWidgets,sumedhasingla/VTK,jeffbaumes/jeffbaumes-vtk,msmolens/VTK,hendradarwin/VTK,berendkleinhaneveld/VTK,demarle/VTK,jmerkow/VTK,mspark93/VTK,ashray/VTK-EVM,johnkit/vtk-dev,keithroe/vtkoptix,sankhesh/VTK,demarle/VTK,johnkit/vtk-dev,cjh1/VTK,candy7393/VTK,spthaolt/VTK,naucoin/VTKSlicerWidgets,spthaolt/VTK,Wuteyan/VTK,sankhesh/VTK,candy7393/VTK,hendradarwin/VTK,gram526/VTK,aashish24/VTK-old,naucoin/VTKSlicerWidgets,msmolens/VTK,Wuteyan/VTK,msmolens/VTK,biddisco/VTK,johnkit/vtk-dev,gram526/VTK,sumedhasingla/VTK,ashray/VTK-EVM,sankhesh/VTK,biddisco/VTK,jmerkow/VTK,arnaudgelas/VTK,johnkit/vtk-dev,berendkleinhaneveld/VTK,SimVascular/VTK,demarle/VTK,candy7393/VTK,demarle/VTK,demarle/VTK,spthaolt/VTK,cjh1/VTK,biddisco/VTK,SimVascular/VTK,collects/VTK,ashray/VTK-EVM,daviddoria/PointGraphsPhase1,hendradarwin/VTK,gram526/VTK,jmerkow/VTK,keithroe/vtkoptix,jmerkow/VTK,aashish24/VTK-old,aashish24/VTK-old,ashray/VTK-EVM,jeffbaumes/jeffbaumes-vtk,candy7393/VTK,demarle/VTK,mspark93/VTK,sankhesh/VTK,candy7393/VTK,hendradarwin/VTK,spthaolt/VTK,aashish24/VTK-old,biddisco/VTK,sankhesh/VTK,ashray/VTK-EVM,keithroe/vtkoptix,berendkleinhaneveld/VTK,daviddoria/PointGraphsPhase1,arnaudgelas/VTK,gram526/VTK,candy7393/VTK,cjh1/VTK,SimVascular/VTK,collects/VTK,ashray/VTK-EVM,SimVascular/VTK,aashish24/VTK-old,jeffbaumes/jeffbaumes-vtk,daviddoria/PointGraphsPhase1,sumedhasingla/VTK,jmerkow/VTK,Wuteyan/VTK,SimVascular/VTK,collects/VTK,arnaudgelas/VTK,candy7393/VTK,cjh1/VTK,ashray/VTK-EVM,keithroe/vtkoptix,keithroe/vtkoptix,keithroe/vtkoptix,Wuteyan/VTK,mspark93/VTK,hendradarwin/VTK,cjh1/VTK,jmerkow/VTK,SimVascular/VTK,naucoin/VTKSlicerWidgets,demarle/VTK,berendkleinhaneveld/VTK,mspark93/VTK,sumedhasingla/VTK,msmolens/VTK,berendkleinhaneveld/VTK,mspark93/VTK,sankhesh/VTK,hendradarwin/VTK,ashray/VTK-EVM,gram526/VTK,msmolens/VTK,jeffbaumes/jeffbaumes-vtk