[Tutor] What the difference between the two RE?
Steven D'Aprano
steve at pearwood.info
Thu Feb 9 12:36:40 CET 2012
daedae11 wrote:
> import re
> re.match("^hello", "hello")
> re.match("hello", "hello")
>
> Please give a string that matches RE "^hello" but does not match RE
> "hello", or matches RE "hello" but does not match RE "^hello".
re.match always matches the beginning of the string, so
re.match("^hello", something)
re.match("hello", something)
are identical.
re.search will search anywhere in the string, not just the beginning, so:
re.search("^hello", something)
means "find the beginning of the string followed by h e l l o"
while
re.search("hello", something)
means "find h e l l o anywhere in the string".
--
Steven
More information about the Tutor
mailing list