Op 09-03-15 om 12:17 schreef Tim Chase: > On 2015-03-09 11:37, Wolfgang Maier wrote: >> On 03/09/2015 11:23 AM, Antoon Pardon wrote: >>> Does anyone know what regular expression to use for a sequence of >>> letters? There is a class for alphanumerics but I can't find one >>> for just letters, which I find odd. >> how about [a-zA-Z] ? > That breaks if you have Unicode letters. While ugly, since "\w" is > composed of "letters, numbers, and underscores", you can assert that > the "\w" you find is not a number or underscore by using > > (?:(?!_|\d)\w)
So if I understand correctly the following should be a regular expression for a python3 identifier. (?:(?!_|\d)\w)\w+ It seems odd that one should need such an ugly expression for something that is used rather frequently for parsing computer languages and the like. -- Antoon Pardon -- https://mail.python.org/mailman/listinfo/python-list
