On 15/04/2015 00:49, Alan Gauld wrote:
On 14/04/15 13:21, Steven D'Aprano wrote:although I would probably want to write it out in verbose mode just in case the requirements did change: r"""(?x) (?# verbose mode) (.+?): (?# capture one or more character, followed by a colon) \s+ (?# one or more whitespace) (\d+) (?# capture one or more digits) (?: (?# don't capture ... ) \s+ (?# one or more whitespace) \(.*?\) (?# anything inside round brackets) )? (?# ... and optional) \s* (?# ignore trailing spaces) """ That's a hint to people learning regular expressions: start in verbose mode, then "de-verbose" it if you must.New one on me. Where does one find out about verbose mode? I don't see it in the re docs? I see an re.X flag but while it seems to be similar in purpose yet it is different to your style above (no parens for example)?
https://docs.python.org/3/library/re.html#module-contents re.X and re.VERBOSE are together.
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