On 23/10/10 23:03, win...@interchange.ubc.ca wrote:
This is driving me batty!
In the interactive window, I can use string.replace on newlines for
some strings and not for others.
Here is what work for newlines:
b...@bill-laptop:~$ python
Python 2.6.5 (r265:79063, Apr 16 2010, 13:09:56)
[GCC 4.4.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> test=r"a \n b \n c \n"
>>> test.replace(r"\n","***")
'a *** b *** c ***'
Yay! So far, so good. But now I put in a string with newlines, test2,
using the triple quote method :
>>> test2="""
... a
... b
... c
... """
>>> test2.replace(r"\n","***")
'\na\nb\nc\n'
>>> test2
'\na\nb\nc\n'
Boo! It does not work. So there here is my question: Why does test
work but test2 does not? (And: Why me?)
Thanks for any suggestions,
Bill
The problem is your use of 'r' which means raw string. This means that
rather than /n meaning new line it literally means the character '/'
followed by the character 'n'.
In your first example you put the characters into the string test and
replaced the characters.
The second example you have actual newlines and are searching for the
characters "/n" which don't exist in your string.
HTH,
Adam.
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