/[pcre]/code/trunk/doc/pcretest.1
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revision 273 by ph10, Mon Nov 19 10:09:04 2007 UTC revision 426 by ph10, Wed Aug 26 15:38:32 2009 UTC
# Line 49  Output a brief summary these options and Line 49  Output a brief summary these options and
49  Behave as if each regex has the \fB/I\fP modifier; information about the  Behave as if each regex has the \fB/I\fP modifier; information about the
50  compiled pattern is given after compilation.  compiled pattern is given after compilation.
51  .TP 10  .TP 10
52    \fB-M\fP
53    Behave as if each data line contains the \eM escape sequence; this causes
54    PCRE to discover the minimum MATCH_LIMIT and MATCH_LIMIT_RECURSION settings by
55    calling \fBpcre_exec()\fP repeatedly with different limits.
56    .TP 10
57  \fB-m\fP  \fB-m\fP
58  Output the size of each compiled pattern after it has been compiled. This is  Output the size of each compiled pattern after it has been compiled. This is
59  equivalent to adding \fB/M\fP to each regular expression. For compatibility  equivalent to adding \fB/M\fP to each regular expression. For compatibility
# Line 97  that file and writes to stdout. Otherwis Line 102  that file and writes to stdout. Otherwis
102  stdout, and prompts for each line of input, using "re>" to prompt for regular  stdout, and prompts for each line of input, using "re>" to prompt for regular
103  expressions, and "data>" to prompt for data lines.  expressions, and "data>" to prompt for data lines.
104  .P  .P
105    When \fBpcretest\fP is built, a configuration option can specify that it should
106    be linked with the \fBlibreadline\fP library. When this is done, if the input
107    is from a terminal, it is read using the \fBreadline()\fP function. This
108    provides line-editing and history facilities. The output from the \fB-help\fP
109    option states whether or not \fBreadline()\fP will be used.
110    .P
111  The program handles any number of sets of input on a single input file. Each  The program handles any number of sets of input on a single input file. Each
112  set starts with a regular expression, and continues with any number of data  set starts with a regular expression, and continues with any number of data
113  lines to be matched against the pattern.  lines to be matched against the pattern.
# Line 165  not correspond to anything in Perl: Line 176  not correspond to anything in Perl:
176    \fB/N\fP              PCRE_NO_AUTO_CAPTURE    \fB/N\fP              PCRE_NO_AUTO_CAPTURE
177    \fB/U\fP              PCRE_UNGREEDY    \fB/U\fP              PCRE_UNGREEDY
178    \fB/X\fP              PCRE_EXTRA    \fB/X\fP              PCRE_EXTRA
179      \fB/<JS>\fP           PCRE_JAVASCRIPT_COMPAT
180    \fB/<cr>\fP           PCRE_NEWLINE_CR    \fB/<cr>\fP           PCRE_NEWLINE_CR
181    \fB/<lf>\fP           PCRE_NEWLINE_LF    \fB/<lf>\fP           PCRE_NEWLINE_LF
182    \fB/<crlf>\fP         PCRE_NEWLINE_CRLF    \fB/<crlf>\fP         PCRE_NEWLINE_CRLF
# Line 448  This section describes the output when t Line 460  This section describes the output when t
460  .P  .P
461  When a match succeeds, pcretest outputs the list of captured substrings that  When a match succeeds, pcretest outputs the list of captured substrings that
462  \fBpcre_exec()\fP returns, starting with number 0 for the string that matched  \fBpcre_exec()\fP returns, starting with number 0 for the string that matched
463  the whole pattern. Otherwise, it outputs "No match" or "Partial match"  the whole pattern. Otherwise, it outputs "No match" or "Partial match" followed
464  when \fBpcre_exec()\fP returns PCRE_ERROR_NOMATCH or PCRE_ERROR_PARTIAL,  by the partially matching substring when \fBpcre_exec()\fP returns
465  respectively, and otherwise the PCRE negative error number. Here is an example  PCRE_ERROR_NOMATCH or PCRE_ERROR_PARTIAL, respectively, and otherwise the PCRE
466  of an interactive \fBpcretest\fP run.  negative error number. Here is an example of an interactive \fBpcretest\fP run.
467  .sp  .sp
468    $ pcretest    $ pcretest
469    PCRE version 7.0 30-Nov-2006    PCRE version 7.0 30-Nov-2006
# Line 463  of an interactive \fBpcretest\fP run. Line 475  of an interactive \fBpcretest\fP run.
475    data> xyz    data> xyz
476    No match    No match
477  .sp  .sp
478  Note that unset capturing substrings that are not followed by one that is set  Note that unset capturing substrings that are not followed by one that is set
479  are not returned by \fBpcre_exec()\fP, and are not shown by \fBpcretest\fP. In  are not returned by \fBpcre_exec()\fP, and are not shown by \fBpcretest\fP. In
480  the following example, there are two capturing substrings, but when the first  the following example, there are two capturing substrings, but when the first
481  data line is matched, the second, unset substring is not shown. An "internal"  data line is matched, the second, unset substring is not shown. An "internal"
482  unset substring is shown as "<unset>", as for the second data line.  unset substring is shown as "<unset>", as for the second data line.
483  .sp  .sp
484      re> /(a)|(b)/      re> /(a)|(b)/
# Line 476  unset substring is shown as "", a Line 488  unset substring is shown as "", a
488    data> b    data> b
489     0: b     0: b
490     1: <unset>     1: <unset>
491     2: b     2: b
492  .sp  .sp
493  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
494  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
# Line 711  Cambridge CB2 3QH, England. Line 723  Cambridge CB2 3QH, England.
723  .rs  .rs
724  .sp  .sp
725  .nf  .nf
726  Last updated: 19 November 2007  Last updated: 25 August 2009
727  Copyright (c) 1997-2007 University of Cambridge.  Copyright (c) 1997-2009 University of Cambridge.
728  .fi  .fi

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