sed -i -E "s/еж([аиу][^а-я])/ёжик\1/g" *ru*
grep -E "еж[аиу][^а-я]" *ru*
Comment: [^а-я] includes all spaces and punctuation and also finish of string
set(CMAKE_Pascal_COMPILER "@CMAKE_Pascal_COMPILER@")
set(CMAKE_Pascal_COMPILER_ARG1 "@CMAKE_Pascal_COMPILER_ARG1@")
set(CMAKE_Pascal_COMPILER_LOADED 1)
set(CMAKE_Pascal_COMPILER_VERSION "@CMAKE_Pascal_COMPILER_VERSION@")
set(CMAKE_Pascal_COMPILER_ENV_VAR "FPC")
set(CMAKE_Pascal_SOURCE_FILE_EXTENSIONS "pas" "pp")
set(CMAKE_Pascal_IGNORE_EXTENSIONS ppu;PPU;h;H;o;O;obj;OBJ;def;DEF;rc;RC)
set(CMAKE_Pascal_LINKER_PREFERENCE Prefered)
set(CMAKE_Pascal_OUTPUT_EXTENSION_REPLACE 1)
set(CMAKE_Pascal_OUTPUT_EXTENSION ".o")