# Diff of /code/trunk/doc/pcreapi.3

revision 780 by ph10, Fri Dec 2 11:39:21 2011 UTC revision 836 by ph10, Wed Dec 28 17:16:11 2011 UTC
# Line 644  string (by default this causes the curre Line 644  string (by default this causes the curre
644  pattern such as (\e1)(a) succeeds when this option is set (assuming it can find  pattern such as (\e1)(a) succeeds when this option is set (assuming it can find
645  an "a" in the subject), whereas it fails by default, for Perl compatibility.  an "a" in the subject), whereas it fails by default, for Perl compatibility.
646  .P  .P
647  (3) \eU matches an upper case "U" character; by default \eU causes a compile  (3) \eU matches an upper case "U" character; by default \eU causes a compile
648  time error (Perl uses \eU to upper case subsequent characters).  time error (Perl uses \eU to upper case subsequent characters).
649  .P  .P
650  (4) \eu matches a lower case "u" character unless it is followed by four  (4) \eu matches a lower case "u" character unless it is followed by four
651  hexadecimal digits, in which case the hexadecimal number defines the code point  hexadecimal digits, in which case the hexadecimal number defines the code point
652  to match. By default, \eu causes a compile time error (Perl uses it to upper  to match. By default, \eu causes a compile time error (Perl uses it to upper
653  case the following character).  case the following character).
654  .P  .P
655  (5) \ex matches a lower case "x" character unless it is followed by two  (5) \ex matches a lower case "x" character unless it is followed by two
656  hexadecimal digits, in which case the hexadecimal number defines the code point  hexadecimal digits, in which case the hexadecimal number defines the code point
657  to match. By default, as in Perl, a hexadecimal number is always expected after  to match. By default, as in Perl, a hexadecimal number is always expected after
658  \ex, but it may have zero, one, or two digits (so, for example, \exz matches a  \ex, but it may have zero, one, or two digits (so, for example, \exz matches a
659  binary zero character followed by z).  binary zero character followed by z).
660  .sp  .sp
661    PCRE_MULTILINE    PCRE_MULTILINE

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