#14155: add a note about \b.

This commit is contained in:
Ezio Melotti 2012-04-29 04:52:30 +03:00
parent 100b889ccd
commit 285e51b7e0

View file

@ -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