Deleting specific characters from a string
Paul Rudin
paul_rudin at scientia.com
Thu Jul 10 09:28:42 EDT 2003
>>>>> "Paul" == Paul Rudin <paul_rudin at scientia.com> writes:
> r= reduce(lambda x,y: x+'|'+y, c,'')[1:]
It occurs to me that this isn't what you want if c contains special
regexp chararacters so really it should be:
r= reduce(lambda x,y: re.escape(x)+'|'+re.escape(y), c,'')[1:]
> So putting it all together as an alternative version of your
> fuction:
> !!warning - untested code!!
> import re
> def stringReplace(s,c):
> r= reduce(lambda x,y: x+'|'+y, c,'')[1:]
r= reduce(lambda x,y: re.escape(x)+'|'+re.escape(y), c,'')[1:]
> return re.compile(r).sub('',s)
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