Open Help for LO Basic. Search for function InStrRev. Code-example of German help: ... iPos = Instr(sInput,"eine",13,1) Print iPos iPos = Instr(sInput,"eine",13,0) Print iPos ... Function is wrong, must be InStrRev instead of InStr.
Olivier Hallot committed a patch related to this issue. It has been pushed to "master": http://cgit.freedesktop.org/libreoffice/help/commit/?id=b4f3b5bbe19d8361492c023e3ca0ee53fc0ab9b0 tdf#112391 Fix inStrRev in example of LO-Help