Comment on Is there a regular expression to detect a valid regular expression? (2008)Comments−andy992yOther than the appealing symmetry of being able to use a language to parse that same language, this feels very similar to https://stackoverflow.com/questions/1732348/regex-match-open...Edit: I just checked and sadly someone beat me to it in 2019: https://news.ycombinator.com/item?id=20910120
Comments
Other than the appealing symmetry of being able to use a language to parse that same language, this feels very similar to https://stackoverflow.com/questions/1732348/regex-match-open...
Edit: I just checked and sadly someone beat me to it in 2019: https://news.ycombinator.com/item?id=20910120