Yeah, I don't like Python's approach in re syntax either. In addition to your example, it backfires for things like multiline formulas (need to add parentheses

Yeah, I don't like Python's approach in re syntax either. In addition to your example, it backfires for things like multiline formulas (need to add parentheses or escapes) or lambdas. Braces (or even 'end' like ruby) would be much more practical.