use regex for url checking
use regex for url checking

dbirchak/cartodb,nyimbi/cartodb,thorncp/cartodb,raquel-ucl/cartodb,future-analytics/cartodb,UCL-ShippingGroup/cartodb-1,thorncp/cartodb,UCL-ShippingGroup/cartodb-1,splashblot/dronedb,UCL-ShippingGroup/cartodb-1,future-analytics/cartodb,splashblot/dronedb,nuxcode/cartodb,nuxcode/cartodb,UCL-ShippingGroup/cartodb-1,bloomberg/cartodb,DigitalCoder/cartodb,bloomberg/cartodb,nyimbi/cartodb,splashblot/dronedb,nuxcode/cartodb,splashblot/dronedb,CartoDB/cartodb,codeandtheory/cartodb,nyimbi/cartodb,raquel-ucl/cartodb,UCL-ShippingGroup/cartodb-1,dbirchak/cartodb,nuxcode/cartodb,raquel-ucl/cartodb,raquel-ucl/cartodb,codeandtheory/cartodb,bloomberg/cartodb,raquel-ucl/cartodb,DigitalCoder/cartodb,DigitalCoder/cartodb,nuxcode/cartodb,thorncp/cartodb,dbirchak/cartodb,future-analytics/cartodb,future-analytics/cartodb,thorncp/cartodb,bloomberg/cartodb,nyimbi/cartodb,CartoDB/cartodb,dbirchak/cartodb,codeandtheory/cartodb,nyimbi/cartodb,DigitalCoder/cartodb,splashblot/dronedb,CartoDB/cartodb,bloomberg/cartodb,future-analytics/cartodb,CartoDB/cartodb,CartoDB/cartodb,DigitalCoder/cartodb,thorncp/cartodb,codeandtheory/cartodb,dbirchak/cartodb,codeandtheory/cartodb