CODEWITHSUNDEEP
pythonpython-3.xunicodeunicode-literals
SupaGu
SupaGu

Reputation: 621

Unicode literals causing invalid syntax

The following code:

s = s.replace(u"&", u"&")

is causing an error in python:

SyntaxError: invalid syntax

removing the u's before the " fixes the problem, but this should work as is? I'm using Python 3.1

Upvotes: 4

Views: 3636

Answers (3)

laike9m
laike9m

Reputation: 19388

In Python3.3+ unicode literal is valid again, see What’s New In Python 3.3:

New syntax features:

New yield from expression for generator delegation.
The u'unicode' syntax is accepted again for str objects.

Upvotes: 1

agf
agf

Reputation: 176950

On Python 3, strings are unicode. There is no need to (and as you've discovered, you can't) put a u before the string literal to designate unicode.

Instead, you have to put a b before a byte literal to designate that it isn't unicode.

Upvotes: 3

Mark Byers
Mark Byers

Reputation: 839054

The u is no longer used in Python 3. String literals are unicode by default. See What's New in Python 3.0.

You can no longer use u"..." literals for Unicode text. However, you must use b"..." literals for binary data.

Upvotes: 11

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