On Python 2.3.3, Windows 2000, standard installation 
(just after running the msi installer)

Try this:

import string
string.lstrip('ORG_RESEAU','ORG_')

result is 'ESEAU' (problem)

Try this
string.lstrip('ORG_RESEAU','ORG_R')

result is 'ESEAU' (correct)


Try this
string.lstrip('ORG_RESEAU','ORG_RE')

result is 'SEAU' (correct)

It seems that cutting just after _ cuts also the next 
character, specially if the next is R ? I have not tested 
on Unix to see if its similar, but the behaviour of this 
function is rather strange.
Any clue, did I miss something ?

Thanks anyway to the great Python project !
Arnold

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The second argument is a character set not a prefix.  So,
characters are stripped from the first argument until on is
found that is not in the second argument.  This is useful
because it allows you strip any combination of leading
garbare characters:

>>> string.lstrip('  **  now here this',' *')
'now here this'


To strip a prefix, try something like this:

>>> s = 'ORG_RESEAU'
>>> prefix = 'ORG_'
>>> if s.startswith(prefix):
	s = s[len(prefix):]

>>> s
'RESEAU'

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the second parameter has another meaning:
lstrip removes  all characters on the left from the first
parameter contained in the 
second parameter ( the second parameter is treated as a list
of characters, not as
a string)

string.lstrip('ORG_RESEAU','ORG_')
result is 'ESEAU' ( *no* problem)    because R is contained
in "ORG_"