/[pcre]/code/trunk/doc/pcrepattern.3
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revision 757 by ph10, Sat Nov 19 18:32:18 2011 UTC revision 758 by ph10, Mon Nov 21 12:05:36 2011 UTC
# Line 328  Note that octal values of 100 or greater Line 328  Note that octal values of 100 or greater
328  zero, because no more than three octal digits are ever read.  zero, because no more than three octal digits are ever read.
329  .P  .P
330  All the sequences that define a single character value can be used both inside  All the sequences that define a single character value can be used both inside
331  and outside character classes. In addition, inside a character class, the  and outside character classes. In addition, inside a character class, \eb is
332  sequence \eb is interpreted as the backspace character (hex 08). The sequences  interpreted as the backspace character (hex 08).
333  \eB, \eN, \eR, and \eX are not special inside a character class. Like any other  .P
334  unrecognized escape sequences, they are treated as the literal characters "B",  \eN is not allowed in a character class. \eB, \eR, and \eX are not special
335  "N", "R", and "X" by default, but cause an error if the PCRE_EXTRA option is  inside a character class. Like other unrecognized escape sequences, they are
336  set. Outside a character class, these sequences have different meanings.  treated as the literal characters "B", "R", and "X" by default, but cause an
337    error if the PCRE_EXTRA option is set. Outside a character class, these
338    sequences have different meanings.
339  .  .
340  .  .
341  .SS "Unsupported escape sequences"  .SS "Unsupported escape sequences"

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