looking for a regular expression

[Peter Otten]

¨ì©³¦b²Ö¤°»ò°Ú¡H wrote:

>> How about
>> my_string = "We the people of the United States, in order to form a
>> more perfect union, establish justice, insure domestic
>> tranquility,......"
>> print (x for x in my_string.split(",") if "justice" in x).next()
>> This isn't a regular expression, but it gives what you're looking for.
>> THN
> 
> Thanks a lot! I have never thought of that.
> 
> But what if there's not only commas, but also periods and semicolons? I
> want to find words between 2 near by punctuations. I think it would make
> it difficult to use split instead of regular expression.

Reenter re. Use

re.split(r"[.;\-,]", my_string)
 
instead of my_string.split(",").

Peter