Regular expression returning an index where match was found?

[Jon Nicoll]

Hi All
I would like to be able to use regular expression searches to
determine the index(es) within a string where a match was found. ie.,
given

import re

def myFunc():
# to be written ;-)

the call

myfunc("abc", "abcdefabcabc")

would return (say) a list [0, 6, 9]

I can't see a straightforward way of doing this from reading the
Regular Expression HOWTO and the python docs; any
pointers/suggestions?

Thanks
Jon N

 

[James Henderson]

Hi All
I would like to be able to use regular expression searches to
determine the index(es) within a string where a match was found. ie.,
given

import re

def myFunc():
# to be written ;-)

the call

myfunc("abc", "abcdefabcabc")

would return (say) a list [0, 6, 9]

I can't see a straightforward way of doing this from reading the
Regular Expression HOWTO and the python docs; any
pointers/suggestions?

Thanks
Jon N

I belive you want the start() and end() methods of a match object. They are
in the docs:

http://www.python.org/doc/current/lib/match-objects.html

James