Changing entities

[Kent Johnson]

Daniel wrote:
> I need match a regular expression, change it erasing the other strings
> after this. Just like:
> 
> a = "I'm going send to out of space, find another race"
> 
> And I want to match "space" instance, and erase the other.

If you mean you want to get rid of everything after 'space', this will do it:
 >>> import re
 >>> a = "I'm going send to out of space, find another race"
 >>> re.sub('space.*', 'space', a)
"I'm going send to out of space"

You should read this and learn to make your own regexes:
http://www.amk.ca/python/howto/regex/

Kent