Raymond Hettinger <[email protected]> added the comment:
There seem to be a number of escaping problems in the OP's example.
Is this what was intended?
>>> re.sub(r"\{(\w+)\}", r"\1", "Hello! {user}")
'Hello! user'
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nosy: +rhettinger
status: pending -> open
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Python tracker <[email protected]>
<https://bugs.python.org/issue47023>
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