/[pcre]/code/trunk/doc/pcrepattern.3
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revision 1373 by chpe, Sat Oct 12 14:54:53 2013 UTC revision 1376 by ph10, Sat Oct 12 18:02:11 2013 UTC
# Line 1  Line 1 
1  .TH PCREPATTERN 3 "08 October 2013" "PCRE 8.34"  .TH PCREPATTERN 3 "12 October 2013" "PCRE 8.34"
2  .SH NAME  .SH NAME
3  PCRE - Perl-compatible regular expressions  PCRE - Perl-compatible regular expressions
4  .SH "PCRE REGULAR EXPRESSION DETAILS"  .SH "PCRE REGULAR EXPRESSION DETAILS"
# Line 543  efficiency reasons. However, if PCRE is Line 543  efficiency reasons. However, if PCRE is
543  and the PCRE_UCP option is set, the behaviour is changed so that Unicode  and the PCRE_UCP option is set, the behaviour is changed so that Unicode
544  properties are used to determine character types, as follows:  properties are used to determine character types, as follows:
545  .sp  .sp
546    \ed  any character that \ep{Nd} matches (decimal digit)    \ed  any character that matches \ep{Nd} (decimal digit)
547    \es  any character that \ep{Z} matches, plus HT, LF, FF, CR    \es  any character that matches \ep{Z} or \eh or \ev
548    \ew  any character that \ep{L} or \ep{N} matches, plus underscore    \ew  any character that matches \ep{L} or \ep{N}, plus underscore
549  .sp  .sp
550  The upper case escapes match the inverse sets of characters. Note that \ed  The upper case escapes match the inverse sets of characters. Note that \ed
551  matches only decimal digits, whereas \ew matches any Unicode digit, as well as  matches only decimal digits, whereas \ew matches any Unicode digit, as well as
# Line 1309  are: Line 1309  are:
1309    lower    lower case letters    lower    lower case letters
1310    print    printing characters, including space    print    printing characters, including space
1311    punct    printing characters, excluding letters and digits and space    punct    printing characters, excluding letters and digits and space
1312    space    white space (not quite the same as \es)    space    white space (the same as \es from PCRE 8.34)
1313    upper    upper case letters    upper    upper case letters
1314    word     "word" characters (same as \ew)    word     "word" characters (same as \ew)
1315    xdigit   hexadecimal digits    xdigit   hexadecimal digits
# Line 3176  Cambridge CB2 3QH, England. Line 3176  Cambridge CB2 3QH, England.
3176  .rs  .rs
3177  .sp  .sp
3178  .nf  .nf
3179  Last updated: 08 October 2013  Last updated: 12 October 2013
3180  Copyright (c) 1997-2013 University of Cambridge.  Copyright (c) 1997-2013 University of Cambridge.
3181  .fi  .fi

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