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Kaydet (Commit) 285e51b7 authored tarafından Ezio Melotti's avatar Ezio Melotti
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#14155: add a note about \b.

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Doc/library/re.rst
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...@@ -417,6 +417,9 @@ accepted by the regular expression parser:: ...@@ -417,6 +417,9 @@ accepted by the regular expression parser::
\r \t \v \x \r \t \v \x
\\ \\
(Note that ``\b`` is used to represent word boundaries, and means "backspace"
only inside character classes.)
Octal escapes are included in a limited form. If the first digit is a 0, or if Octal escapes are included in a limited form. If the first digit is a 0, or if
there are three octal digits, it is considered an octal escape. Otherwise, it is there are three octal digits, it is considered an octal escape. Otherwise, it is
a group reference. As for string literals, octal escapes are always at most a group reference. As for string literals, octal escapes are always at most
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