Regex match a line without a specific word

Question

I want to use regex to highlight the functions of a new programming language but i have a problem in EXCLUDING the functions that have the word "exported" so

ok lines that I have to match examples:

routine hello
ROUTINE hello
   routine hello
   ROUTINE hello(a:INTEGER)
   routine hello (a   :  INTEGER)
   routine hello (a   :  INTEGER , b: STRING)

lines that I don't want to match examples:

   routine hello (a   :  INTEGER , b: STRING) exported

I've tried with

^[[:blank:]]*routine[[:blank:]]+([[:alnum:]_])+[[:blank:]]*([[:alnum:]_:,[:space:]]*)/^(?!.*exported)$/

but it doesn't work.

Answer 1

You can use an expression like this to match all lines that don't contain the word "exported":

(?m)^(?!.*\bexported\b).*$

Answer 2

The following expression also does the trick:

^(?!.*exported).*$

|________________   line begin 
 |_______________   negative lookahead
    |____________   any characters
      |__________   your exclusion word
               |_   any characters
                 |_ end of line