Regular expression example in C++ and Qt

Dependencies (on Debian bullseye)

# apt-get install build-essential cmake qtbase5-dev

Build

git clone https://github.com/matthiasklein/regexp-cpp.git
mkdir regexp-cpp-build
cd regexp-cpp-build
cmake ../regexp-cpp
make

Run

./app/replexp-cpp/replexp-cpp '#[A-Fa-f0-9]{6}'
./app/replexp-qt/replexp-qt '#[A-Fa-f0-9]{6}'

Output

#FFFFFF
MATCH #FFFFFF from INPUT #FFFFFF
#ffffff
MATCH #ffffff from INPUT #ffffff
#232323
MATCH #232323 from INPUT #232323
#abc
#foobar
#deadbeef
MATCH #deadbe from INPUT #deadbeef
#999