... Matching REx "\G \z" against "" 3 <> | 1:GPOS(2) 3 <> | 2:EOS(3) 3 <> | 3:END(0) Match possible, but length=0 is smaller than requested=1, failing! Match failed #### ($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord }map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,