I agree. If I ever need to use regex, I will dive in, but I don't mainly write software to process text. I mainly write control software for various things like

I agree. If I ever need to use regex, I will dive in, but I don't mainly write software to process text. I mainly write control software for various things like subsea oil wells, oil rigs, gas turbines etc. It is enough for me to know it exists. I try to spread myself thin and broad, and then that gives me the control of which areas to dive deep, depending on the task at hand.