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-rw-r--r--Doc/library/re.rst3
1 files changed, 3 insertions, 0 deletions
diff --git a/Doc/library/re.rst b/Doc/library/re.rst
index 79b8d3b..72bc46a 100644
--- a/Doc/library/re.rst
+++ b/Doc/library/re.rst
@@ -417,6 +417,9 @@ accepted by the regular expression parser::
\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
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