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Regular expressions are also useful for lexing. I like to work from this example code from the Python standard library docs: https://docs.python.org/3.6/library
by angara 8y ago
Regular expressions are also useful for lexing. I like to work from this example code from the Python standard library docs: https://docs.python.org/3.6/library/re.html#writing-a-tokenizer https://docs.python.org/3.6/library/re.html#writing-a-tokeni...
- fanf2 8y agoRemember, `lex` is just a pile of regular expressions, so it is great for simple parsing in C. There are good reasons it was known as the Swiss Army knife of Unix before scripting took over :-)