tests: add functions for regex finds with gexpect
tests: add functions for regex finds with gexpect

mjg59/rkt,rkt/rkt,jjlakis/rkt,markllama/rkt,shobhit85/rkt,squeed/rkt,coreos/rkt,sstabellini/rkt,tv42/rkt,krnowak/rkt,il9ue/rkt,euank/rkt,dalanlan/rkt,squeed/rkt,sgotti/rkt,yifan-gu/rocket,cab105/rkt,coreos/rkt,achanda/rkt,smarvin/rkt,ChengTiesheng/rkt,iankronquist/rkt,intelsdi-x/rkt,monstermunchkin/rkt,alexhersh/rkt,Wilybald/rkt,achanda/rkt,lee212/rkt,Wilybald/rkt,yifan-gu/rkt,iaguis/rkt,nhlfr/rkt,monstermunchkin/rkt,jzelinskie/rkt,dalanlan/rkt,lucasallan/rkt,squeed/rkt,rkt/rkt,mike1729/rkt,joshix/rkt,s-urbaniak/rkt,linki/rkt,sgotti/rkt,liubq919/rkt,marineam/rkt,chrisseto/rkt,euank/rkt,linki/rkt,achanda/rkt,rkt/rkt,dgonyeo/rkt,sgotti/rkt,nhlfr/rkt,matthaias/rkt,jonboulle/rkt,kinvolk/rkt,akshaykarle/rkt,liubq919/rkt,lee212/rkt,mike1729/rkt,chrisseto/rkt,Wilybald/rkt,blixtra/rkt,krnowak/rkt,jjlakis/rkt,luebken/rkt,rkt/rkt,alban/rkt,tv42/rkt,chrisseto/rkt,liubq919/rkt,kbrwn/rkt,liugenping/rkt,matthaias/rkt,Yhgenomics/rkt,yifan-gu/rocket,alexhersh/rkt,jonboulle/rkt,adfernandes/rkt,Yhgenomics/rkt,dgonyeo/rkt,sinfomicien/rkt,jzelinskie/rkt,tmrts/rkt,alexhersh/rkt,Shashwatsh/rkt,jakon89/rkt,dgonyeo/rkt,lucasallan/rkt,akshaykarle/rkt,coreos/rkt,adfernandes/rkt,nhlfr/rkt,ChengTiesheng/rkt,ybubnov/rkt,sstabellini/rkt,s-urbaniak/rkt,tmrts/rkt,yifan-gu/rkt,euank/rkt,s-urbaniak/rkt,MattDees/rkt,endocode/rkt,jjlakis/rkt,kinvolk/rkt,sinfomicien/rkt,ybubnov/rkt,endocode/rkt,shobhit85/rkt,ybubnov/rkt,tmrts/rkt,kinvolk/rkt,luebken/rkt,jasonchaffee/rkt,intfrr/rkt,Shashwatsh/rkt,lee212/rkt,jonboulle/rkt,cab105/rkt,alban/rkt,jasonchaffee/rkt,markllama/rkt,markllama/rkt,endocode/rkt,intfrr/rkt,joshix/rkt,iankronquist/rkt,mike1729/rkt,matthaias/rkt,iaguis/rkt,tv42/rkt,yifan-gu/rkt,sstabellini/rkt,liugenping/rkt,jzelinskie/rkt,jakon89/rkt,jasonchaffee/rkt,blixtra/rkt,smarvin/rkt,shobhit85/rkt,smarvin/rkt,lucasallan/rkt,MattDees/rkt,cab105/rkt,lucasallan/rkt,joshix/rkt,joshix/rkt,blixtra/rkt,mjg59/rkt,jakon89/rkt,Wilybald/rkt,MattDees/rkt,monstermunchkin/rkt,intelsdi-x/rkt,kinvolk/rkt,marineam/rkt,mjg59/rkt,alban/rkt,Shashwatsh/rkt,akshaykarle/rkt,liugenping/rkt,kbrwn/rkt,sinfomicien/rkt,luebken/rkt,ChengTiesheng/rkt,il9ue/rkt,kbrwn/rkt,iankronquist/rkt,Yhgenomics/rkt,linki/rkt,krnowak/rkt,il9ue/rkt,marineam/rkt,intelsdi-x/rkt,iaguis/rkt,adfernandes/rkt,intfrr/rkt,dalanlan/rkt,yifan-gu/rocket