/[pcre]/code/trunk/doc/pcretest.1
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revision 152 by ph10, Tue Apr 17 15:55:53 2007 UTC revision 273 by ph10, Mon Nov 19 10:09:04 2007 UTC
# Line 157  effect as they do in Perl. For example: Line 157  effect as they do in Perl. For example:
157  The following table shows additional modifiers for setting PCRE options that do  The following table shows additional modifiers for setting PCRE options that do
158  not correspond to anything in Perl:  not correspond to anything in Perl:
159  .sp  .sp
160    \fB/A\fP          PCRE_ANCHORED    \fB/A\fP              PCRE_ANCHORED
161    \fB/C\fP          PCRE_AUTO_CALLOUT    \fB/C\fP              PCRE_AUTO_CALLOUT
162    \fB/E\fP          PCRE_DOLLAR_ENDONLY    \fB/E\fP              PCRE_DOLLAR_ENDONLY
163    \fB/f\fP          PCRE_FIRSTLINE    \fB/f\fP              PCRE_FIRSTLINE
164    \fB/J\fP          PCRE_DUPNAMES    \fB/J\fP              PCRE_DUPNAMES
165    \fB/N\fP          PCRE_NO_AUTO_CAPTURE    \fB/N\fP              PCRE_NO_AUTO_CAPTURE
166    \fB/U\fP          PCRE_UNGREEDY    \fB/U\fP              PCRE_UNGREEDY
167    \fB/X\fP          PCRE_EXTRA    \fB/X\fP              PCRE_EXTRA
168    \fB/<cr>\fP       PCRE_NEWLINE_CR    \fB/<cr>\fP           PCRE_NEWLINE_CR
169    \fB/<lf>\fP       PCRE_NEWLINE_LF    \fB/<lf>\fP           PCRE_NEWLINE_LF
170    \fB/<crlf>\fP     PCRE_NEWLINE_CRLF    \fB/<crlf>\fP         PCRE_NEWLINE_CRLF
171    \fB/<anycrlf>\fP  PCRE_NEWLINE_ANYCRLF    \fB/<anycrlf>\fP      PCRE_NEWLINE_ANYCRLF
172    \fB/<any>\fP      PCRE_NEWLINE_ANY    \fB/<any>\fP          PCRE_NEWLINE_ANY
173  .sp    \fB/<bsr_anycrlf>\fP  PCRE_BSR_ANYCRLF
174  Those specifying line ending sequencess are literal strings as shown. This    \fB/<bsr_unicode>\fP  PCRE_BSR_UNICODE
175  example sets multiline matching with CRLF as the line ending sequence:  .sp
176    Those specifying line ending sequences are literal strings as shown, but the
177    letters can be in either case. This example sets multiline matching with CRLF
178    as the line ending sequence:
179  .sp  .sp
180    /^abc/m<crlf>    /^abc/m<crlf>
181  .sp  .sp
# Line 411  and \eZ, causing REG_NOTBOL and REG_NOTE Line 414  and \eZ, causing REG_NOTBOL and REG_NOTE
414  The use of \ex{hh...} to represent UTF-8 characters is not dependent on the use  The use of \ex{hh...} to represent UTF-8 characters is not dependent on the use
415  of the \fB/8\fP modifier on the pattern. It is recognized always. There may be  of the \fB/8\fP modifier on the pattern. It is recognized always. There may be
416  any number of hexadecimal digits inside the braces. The result is from one to  any number of hexadecimal digits inside the braces. The result is from one to
417  six bytes, encoded according to the UTF-8 rules.  six bytes, encoded according to the original UTF-8 rules of RFC 2279. This
418    allows for values in the range 0 to 0x7FFFFFFF. Note that not all of those are
419    valid Unicode code points, or indeed valid UTF-8 characters according to the
420    later rules in RFC 3629.
421  .  .
422  .  .
423  .SH "THE ALTERNATIVE MATCHING FUNCTION"  .SH "THE ALTERNATIVE MATCHING FUNCTION"
# Line 457  of an interactive \fBpcretest\fP run. Line 463  of an interactive \fBpcretest\fP run.
463    data> xyz    data> xyz
464    No match    No match
465  .sp  .sp
466    Note that unset capturing substrings that are not followed by one that is set
467    are not returned by \fBpcre_exec()\fP, and are not shown by \fBpcretest\fP. In
468    the following example, there are two capturing substrings, but when the first
469    data line is matched, the second, unset substring is not shown. An "internal"
470    unset substring is shown as "<unset>", as for the second data line.
471    .sp
472        re> /(a)|(b)/
473      data> a
474       0: a
475       1: a
476      data> b
477       0: b
478       1: <unset>
479       2: b
480    .sp
481  If the strings contain any non-printing characters, they are output as \e0x  If the strings contain any non-printing characters, they are output as \e0x
482  escapes, or as \ex{...} escapes if the \fB/8\fP modifier was present on the  escapes, or as \ex{...} escapes if the \fB/8\fP modifier was present on the
483  pattern. See below for the definition of non-printing characters. If the  pattern. See below for the definition of non-printing characters. If the
# Line 537  indicating that the subject partially ma Line 558  indicating that the subject partially ma
558  match with additional subject data by means of the \eR escape sequence. For  match with additional subject data by means of the \eR escape sequence. For
559  example:  example:
560  .sp  .sp
561      re> /^\d?\d(jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec)\d\d$/      re> /^\ed?\ed(jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec)\ed\ed$/
562    data> 23ja\eP\eD    data> 23ja\eP\eD
563    Partial match: 23ja    Partial match: 23ja
564    data> n05\eR\eD    data> n05\eR\eD
# Line 690  Cambridge CB2 3QH, England. Line 711  Cambridge CB2 3QH, England.
711  .rs  .rs
712  .sp  .sp
713  .nf  .nf
714  Last updated: 16 April 2007  Last updated: 19 November 2007
715  Copyright (c) 1997-2007 University of Cambridge.  Copyright (c) 1997-2007 University of Cambridge.
716  .fi  .fi
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