Regular expression

[MRAB]

Peter Fodrek wrote:
> Dear conference!
> 
> I have  third party regular expression
> 
>  self.pattern_main = re.compile('(\s+|\w(?:[+])?\d*(?:\.\d*)?|\w\#\d+|\(.*?\)|
> \#\d+\=(?:[+])?\d*(?:\.\d*)?)')
> 
[snip]
> It handles file correctly with two exceptions
> 
> 1) omits ',' in the a output
> 2) omits minus sign in the numbers...
> 
> Would anyone recommend me what to change regular expression to add thesee two 
> think to the output,please?
> 

self.pattern_main = 
re.compile(r'(\s+|,|-?\w\+?\d*(?:\.\d*)?|\w#\d+|\(.*?\)|#\d+=\+?\d*(?:\.\d*)?)')