Can a C program parse C source code? A Java program parse Java source code? Yes, they can, so such a general limitation couldn't be the reason regular expressio

Can a C program parse C source code? A Java program parse Java source code? Yes, they can, so such a general limitation couldn't be the reason regular expressions can't parse themselves. Perhaps you had in mind the Halting Problem: https://en.wikipedia.org/wiki/Halting_problem#G%C3%B6del's_incompleteness_theorems https://en.wikipedia.org/wiki/Halting_problem#G%C3%B6del's_i...