Optimize regular expressions. The capture groups aren't needed/used; the character classes will do the job just fine.
Optimize regular expressions. The capture groups aren't needed/used; the character classes will do the job just fine.

Also, normalize the use of quotation-marks (change `"` to `'`' where appropriate).
ppker/backbone,LovelyL25/backbone.js,embarknow/backbone,gougouGet/backbone,ntgn81/backbone,batigoal1980/backbone_example,FormidableLabs/backbone,au-phiware/backbone,GrimDerp/backbone,Diwahars/backbone,luffy94608/backbone,embarknow/backbone,DannyDelott/backbone,honger05/backbone,darrrk/backbone,Connectlegendary/backbone,tibic/backbone,jungjung917/backbone,tibic/backbone,sunday-star/backbone,componentizr/backbone,JesseQin/backbone,jasoncbautista/backboneX,rashmisajjan/backbone,Sachin-Ganesh/backbone,Bug2014/backbone,tgriesser/backbone,yawenl/backbone,addyosmani/backbone,cgvarela/backbone,craigmichaelmartin/backbone,zhangdimelody/backbone,maryrosecook/backbone-df,ridixcr/backbone,lujocom/backbone,webapp/library,anhtholee/backbone,yawenl/backbone,streamablevideo/backbone,kuychaco/backbone,alekskorolev/lightbones,fanhc019/backbone,guahanweb/backbone,dcheepurupalli/backbone,lastjune/backbone,getshuvo/backbone,trizko/backbone,vlazzle/ax-todos,Sachin-Ganesh/backbone,paulfalgout/backbone,christianqw/backbone,youprofit/backbone,ohbarye/backbone,dillonforrest/backbone-df,Aplopio/backbone,elancom/backbone,jridgewell/backbone,moccen/backbone,fanhc019/backbone,heroazure/backbone,wxmfront/backbone,gmaclennan/backbone,aihua/backbone,linalu1/backbone,ThiagoGarciaAlves/backbone,Connectlegendary/backbone,amdjs/backbone,moccen/backbone,jridgewell/backbone,rashmisajjan/backbone,akre54/backbone,Khan/backbone,aihua/backbone,webapp/library,zgl2007dj/backbone,wangcan2014/backbone,craigmichaelmartin/backbone,braddunbar/backbone,Krasnyanskiy/backbone,ntgn81/backbone,ThisIsManta/Backbone,timebackzhou/backbone,antoniogarrote/backbone,tzkKrbys/backbone,sunday-star/backbone,Diwahars/backbone,getshuvo/backbone,edgeware/backbone,premkumargithub/backbone,vlazzle/ax-todos,sueyeh/backbone,GerHobbelt/backbone,gougouGet/backbone,FishbaitHarry/backbone,7213/backbone,ereddate/backbone,gmaclennan/backbone,hugohua/backbone,feychenie/backbone,zhoufan879/backbone,ThisIsManta/Backbone,Aplopio/backbone,ohbarye/backbone,jstrimpel/backbone,rwaldron/backbone,webcoding/backbone,amitpatange88/backbonejs,maryrosecook/backbone-df,ridixcr/backbone,ebsco/backbone,wushuyi/backbone,chyeh727/backbone,dak/backbone,ywenjinlin/backbone,heroazure/backbone,mpapp/backbone,maryrosecook/backbone-df-2,anhtholee/backbone,closeio/backbone,liudianpeng/backbone,braddunbar/backbone,maryrosecook/backbone-df,dillonforrest/backbone-df,DannyDelott/backbone,huanglp47/backbone,addyosmani/backbone,alekskorolev/lightbones,neocotic/hipbone,tadwhitaker/backbone,IsoldaJS/isolda-models,Niades/backbone,FishbaitHarry/backbone,wakanpaladin/mybackbone,npmcomponent/solutionio-backbone,zgl2007dj/backbone,wjb12/backbone,elma-cao/backbone,guahanweb/backbone,sueyeh/backbone,vin100bk/backbone,wakanpaladin/mybackbone,mmolinastudio/backbone,jstrimpel/backbone,ywenjinlin/backbone,sumyfly/backbone,wangdahoo/backbone,wushuyi/backbone,megawac/backbone,mrblueblue/backbone,linalu1/backbone,wangdahoo/backbone,udhayam/backbone,premkumargithub/backbone,d2s/backbone,Niades/backbone,leimd/backbone,christianqw/backbone,vincent1988/backbone,luffy94608/backbone,dillonforrest/backbone-df-2,GerHobbelt/backbone,Flip120/backbone,dillonforrest/backbone-df-2,elma-cao/backbone,honger05/backbone,lastjune/backbone,liudianpeng/backbone,gdi2290/backbone,pandoraui/backbone,oss-practice/backbone,timebackzhou/backbone,mmolinastudio/backbone,moimikey/backbone,tzkKrbys/backbone,zdespolit/backbone,chyeh727/backbone,LovelyL25/backbone.js,amitpatange88/backbonejs,jashkenas/backbone,guigrpa/backbone,jordansexton/backboner,d2s/backbone,yuhualingfeng/backbone,kuychaco/backbone,JesseQin/backbone,nikolas/backbone,sitexa/backbone,sitexa/backbone,vin100bk/backbone,jmeas/backbone,streamablevideo/backbone,rwaldron/backbone,Aplopio/backbone,mrblueblue/backbone,nikolas/backbone,maryrosecook/backbone-df-2,zhangdimelody/backbone,tadwhitaker/backbone,pandoraui/backbone,dillonforrest/backbone-df-2,platinumazure/backbone,batigoal1980/backbone_example,gfranko/backbone,feychenie/backbone,christianqw/backbone,malandrew/backbone,sumyfly/backbone,ereddate/backbone,dillonforrest/backbone-df,zdespolit/backbone,Khan/backbone,virtru-components/backbone,huanglp47/backbone,nvoron23/backbone,ebsco/backbone,howtolearntocode/backbone,cailong1028/backbone,edgeware/backbone,trizko/backbone,vincent1988/backbone,zhoufan879/backbone,yuhualingfeng/backbone,gfranko/backbone,cailong1028/backbone,wjb12/backbone,paulfalgout/backbone,Khan/backbone,ppker/backbone,7213/backbone,GrimDerp/backbone,zhangwei001/backbone,jashkenas/backbone,darrrk/backbone,jungjung917/backbone,rjz/boneless,jmeas/backbone,zhangwei001/backbone,webcoding/backbone,elancom/backbone,howtolearntocode/backbone,dcheepurupalli/backbone,malandrew/backbone,jewsroch/backbone,Bug2014/backbone,jewsroch/backbone,dak/backbone,nvoron23/backbone,gitterHQ/backbone,lujocom/backbone,platinumazure/backbone,cgvarela/backbone,akre54/backbone,Akkuma/backbone,youprofit/backbone,npmcomponent/jashkenas-backbone,npmcomponent/solutionio-backbone,Flip120/backbone,leimd/backbone,wxmfront/backbone,IsoldaJS/isolda-pubsub,closeio/backbone,udhayam/backbone,moimikey/backbone,au-phiware/backbone,neocotic/hipbone,Krasnyanskiy/backbone,ThiagoGarciaAlves/backbone,wangcan2014/backbone,maryrosecook/backbone-df-2