Use charAt() instead of regex for efficiency.
Use charAt() instead of regex for efficiency.

fbentz/angularfire,itxd/angularfire,FirebaseExtended/angularfire,itxd/angularfire,cesarmarinhorj/angularfire,douglascorrea/angularfire,bpietravalle/angularfire,denisKaranja/angularfire,cesarmarinhorj/angularfire,denisKaranja/angularfire,nbr1ninrsan2/angularfire,yoda-yoda/angularfire,cesarmarinhorj/angularfire,jamestalmage/angularfire,fbentz/angularfire,bpietravalle/angularfire,douglascorrea/angularfire,fbentz/angularfire,denisKaranja/angularfire,yoda-yoda/angularfire,nbr1ninrsan2/angularfire,jamestalmage/angularfire,itxd/angularfire,yoda-yoda/angularfire,jamestalmage/angularfire,nbr1ninrsan2/angularfire,douglascorrea/angularfire,FirebaseExtended/angularfire,FirebaseExtended/angularfire,bpietravalle/angularfire