Lie Ryan wrote:
MRAB wrote:
You're almost there:
re.subn('\x61','b','aaaa')
or better yet:
re.subn(r'\x61','b','aaaa')
Wouldn't that becomes a literal \x61 instead of "a" as it is inside raw
string?
Yes. The re module will understand the \x sequence within a regular
expression.
The reason I say that the second solution is better is because you say:
"How can I use the ascii number of a character in a regular expression
(module re) instead of the character itself?"
Certain characters have a special meaning in regular expressions, eg
'*', so if you tried to search for '*' (or '\x2A') you would get an
exception. The solution would be to search for r'\*' or r'\x2A'.
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