/[pcre]/code/trunk/doc/pcrepattern.3
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revision 183 by ph10, Wed Jun 13 15:09:54 2007 UTC revision 184 by ph10, Tue Jun 19 13:26:46 2007 UTC
# Line 376  Inside a character class, \eR matches th Line 376  Inside a character class, \eR matches th
376  .rs  .rs
377  .sp  .sp
378  When PCRE is built with Unicode character property support, three additional  When PCRE is built with Unicode character property support, three additional
379  escape sequences to match character properties are available when UTF-8 mode  escape sequences that match characters with specific properties are available.
380  is selected. They are:  When not in UTF-8 mode, these sequences are of course limited to testing
381    characters whose codepoints are less than 256, but they do work in this mode.
382    The extra escape sequences are:
383  .sp  .sp
384    \ep{\fIxx\fP}   a character with the \fIxx\fP property    \ep{\fIxx\fP}   a character with the \fIxx\fP property
385    \eP{\fIxx\fP}   a character without the \fIxx\fP property    \eP{\fIxx\fP}   a character without the \fIxx\fP property
# Line 553  atomic group Line 555  atomic group
555  (see below).  (see below).
556  .\"  .\"
557  Characters with the "mark" property are typically accents that affect the  Characters with the "mark" property are typically accents that affect the
558  preceding character.  preceding character. None of them have codepoints less than 256, so in
559    non-UTF-8 mode \eX matches any one character.
560  .P  .P
561  Matching characters by Unicode property is not fast, because PCRE has to search  Matching characters by Unicode property is not fast, because PCRE has to search
562  a structure that contains data for over fifteen thousand characters. That is  a structure that contains data for over fifteen thousand characters. That is
# Line 1973  Cambridge CB2 3QH, England. Line 1976  Cambridge CB2 3QH, England.
1976  .rs  .rs
1977  .sp  .sp
1978  .nf  .nf
1979  Last updated: 13 June 2007  Last updated: 19 June 2007
1980  Copyright (c) 1997-2007 University of Cambridge.  Copyright (c) 1997-2007 University of Cambridge.
1981  .fi  .fi

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