scozens@pwj.co.jp writes: > bash-2.03$ perl -lne 'print if /\b(\w+)\s+$1\b/' files.tex What is "wrong" about this REx? > Different files die on different lines, but I cannot see anything > in common with the lines it barfs on. > Further investigation shows that changing the line it blows up on > and the line above makes no difference - it seems to be based on the > line number in a file, but then on one file it dies on line 28, on > another, line 19, on another, line 68. This looks pretty similar to a bug Larry found, but cannot be the same bug. However, without a test file this report is useless. Hope this helps, IlyaThread Previous