BUG: special: fix regex in `generate_ufuncs.py`
BUG: special: fix regex in `generate_ufuncs.py`

Closes gh-6972.

pizzathief/scipy,befelix/scipy,arokem/scipy,pizzathief/scipy,ilayn/scipy,e-q/scipy,perimosocordiae/scipy,pbrod/scipy,jor-/scipy,perimosocordiae/scipy,lhilt/scipy,anntzer/scipy,tylerjereddy/scipy,kalvdans/scipy,gertingold/scipy,Eric89GXL/scipy,gertingold/scipy,gfyoung/scipy,Stefan-Endres/scipy,person142/scipy,rgommers/scipy,Stefan-Endres/scipy,pbrod/scipy,scipy/scipy,nmayorov/scipy,aeklant/scipy,nmayorov/scipy,anntzer/scipy,matthew-brett/scipy,person142/scipy,arokem/scipy,endolith/scipy,jor-/scipy,apbard/scipy,endolith/scipy,Eric89GXL/scipy,matthew-brett/scipy,anntzer/scipy,kalvdans/scipy,scipy/scipy,josephcslater/scipy,grlee77/scipy,endolith/scipy,jjhelmus/scipy,andyfaff/scipy,befelix/scipy,pizzathief/scipy,nmayorov/scipy,mdhaber/scipy,perimosocordiae/scipy,jakevdp/scipy,matthew-brett/scipy,anntzer/scipy,zerothi/scipy,pbrod/scipy,grlee77/scipy,gfyoung/scipy,aarchiba/scipy,e-q/scipy,Stefan-Endres/scipy,kalvdans/scipy,endolith/scipy,dominicelse/scipy,pizzathief/scipy,mdhaber/scipy,gertingold/scipy,mdhaber/scipy,WarrenWeckesser/scipy,tylerjereddy/scipy,pbrod/scipy,scipy/scipy,Stefan-Endres/scipy,dominicelse/scipy,pizzathief/scipy,zerothi/scipy,befelix/scipy,arokem/scipy,dominicelse/scipy,endolith/scipy,jamestwebber/scipy,person142/scipy,e-q/scipy,endolith/scipy,pschella/scipy,jjhelmus/scipy,apbard/scipy,ilayn/scipy,e-q/scipy,Eric89GXL/scipy,aeklant/scipy,josephcslater/scipy,jamestwebber/scipy,person142/scipy,anntzer/scipy,anntzer/scipy,jakevdp/scipy,perimosocordiae/scipy,vigna/scipy,ilayn/scipy,Eric89GXL/scipy,pschella/scipy,arokem/scipy,mdhaber/scipy,andyfaff/scipy,mdhaber/scipy,lhilt/scipy,nmayorov/scipy,jor-/scipy,vigna/scipy,jor-/scipy,aeklant/scipy,gfyoung/scipy,zerothi/scipy,pbrod/scipy,WarrenWeckesser/scipy,gertingold/scipy,Stefan-Endres/scipy,grlee77/scipy,pschella/scipy,andyfaff/scipy,jjhelmus/scipy,ilayn/scipy,nmayorov/scipy,WarrenWeckesser/scipy,WarrenWeckesser/scipy,kalvdans/scipy,befelix/scipy,jamestwebber/scipy,rgommers/scipy,WarrenWeckesser/scipy,tylerjereddy/scipy,Eric89GXL/scipy,Stefan-Endres/scipy,josephcslater/scipy,jjhelmus/scipy,aarchiba/scipy,gfyoung/scipy,lhilt/scipy,rgommers/scipy,pschella/scipy,dominicelse/scipy,ilayn/scipy,jor-/scipy,person142/scipy,jakevdp/scipy,rgommers/scipy,WarrenWeckesser/scipy,Eric89GXL/scipy,vigna/scipy,aeklant/scipy,scipy/scipy,e-q/scipy,gfyoung/scipy,jakevdp/scipy,arokem/scipy,scipy/scipy,mdhaber/scipy,andyfaff/scipy,apbard/scipy,lhilt/scipy,zerothi/scipy,tylerjereddy/scipy,aarchiba/scipy,pbrod/scipy,kalvdans/scipy,aarchiba/scipy,grlee77/scipy,pschella/scipy,perimosocordiae/scipy,josephcslater/scipy,matthew-brett/scipy,zerothi/scipy,andyfaff/scipy,apbard/scipy,grlee77/scipy,apbard/scipy,lhilt/scipy,dominicelse/scipy,jamestwebber/scipy,scipy/scipy,vigna/scipy,josephcslater/scipy,tylerjereddy/scipy,befelix/scipy,jjhelmus/scipy,rgommers/scipy,aarchiba/scipy,matthew-brett/scipy,perimosocordiae/scipy,ilayn/scipy,jakevdp/scipy,andyfaff/scipy,zerothi/scipy,jamestwebber/scipy,vigna/scipy,aeklant/scipy,gertingold/scipy