nicer way to remove prefix of a string if it exists
Paul McGuire
ptmcg at austin.rr.com
Wed Jul 14 09:40:58 EDT 2010
On Jul 13, 6:49 pm, News123 <news1... at free.fr> wrote:
> I wondered about a potentially nicer way of removing a prefix of a
> string if it exists.
>
Here is an iterator solution:
from itertools import izip
def trim_prefix(prefix, s):
i1,i2 = iter(prefix),iter(s)
if all(c1==c2 for c1,c2 in izip(i1,i2)):
return ''.join(i2)
return s
print trim_prefix("ABC","ABCDEFGHI")
print trim_prefix("ABC","SLFJSLKFSLJFLSDF")
Prints:
DEFGHI
SLFJSLKFSLJFLSDF
-- Paul
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