/[pcre]/code/trunk/doc/html/pcre_dfa_exec.html
ViewVC logotype

Diff of /code/trunk/doc/html/pcre_dfa_exec.html

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 92 by nigel, Sat Feb 24 21:41:34 2007 UTC revision 93 by nigel, Sat Feb 24 21:41:42 2007 UTC
# Line 29  DESCRIPTION Line 29  DESCRIPTION
29  </b><br>  </b><br>
30  <P>  <P>
31  This function matches a compiled regular expression against a given subject  This function matches a compiled regular expression against a given subject
32  string, using a DFA matching algorithm (<i>not</i> Perl-compatible). Note that  string, using an alternative matching algorithm that scans the subject string
33  the main, Perl-compatible, matching function is <b>pcre_exec()</b>. The  just once (<i>not</i> Perl-compatible). Note that the main, Perl-compatible,
34  arguments for this function are:  matching function is <b>pcre_exec()</b>. The arguments for this function are:
35  <pre>  <pre>
36    <i>code</i>         Points to the compiled pattern    <i>code</i>         Points to the compiled pattern
37    <i>extra</i>        Points to an associated <b>pcre_extra</b> structure,    <i>extra</i>        Points to an associated <b>pcre_extra</b> structure,
# Line 49  arguments for this function are: Line 49  arguments for this function are:
49  The options are:  The options are:
50  <pre>  <pre>
51    PCRE_ANCHORED      Match only at the first position    PCRE_ANCHORED      Match only at the first position
52      PCRE_NEWLINE_ANY   Recognize any Unicode newline sequence
53    PCRE_NEWLINE_CR    Set CR as the newline sequence    PCRE_NEWLINE_CR    Set CR as the newline sequence
54    PCRE_NEWLINE_CRLF  Set CRLF as the newline sequence    PCRE_NEWLINE_CRLF  Set CRLF as the newline sequence
55    PCRE_NEWLINE_LF    Set LF as the newline sequence    PCRE_NEWLINE_LF    Set LF as the newline sequence
# Line 62  The options are: Line 63  The options are:
63    PCRE_DFA_SHORTEST  Return only the shortest match    PCRE_DFA_SHORTEST  Return only the shortest match
64    PCRE_DFA_RESTART   This is a restart after a partial match    PCRE_DFA_RESTART   This is a restart after a partial match
65  </pre>  </pre>
66  There are restrictions on what may appear in a pattern when matching using the  There are restrictions on what may appear in a pattern when using this matching
67  DFA algorithm is requested. Details are given in the  function. Details are given in the
68  <a href="pcrematching.html"><b>pcrematching</b></a>  <a href="pcrematching.html"><b>pcrematching</b></a>
69  documentation.  documentation.
70  </P>  </P>
# Line 79  A pcre_extra structure contains t Line 80  A pcre_extra structure contains t
80  </pre>  </pre>
81  The flag bits are PCRE_EXTRA_STUDY_DATA, PCRE_EXTRA_MATCH_LIMIT,  The flag bits are PCRE_EXTRA_STUDY_DATA, PCRE_EXTRA_MATCH_LIMIT,
82  PCRE_EXTRA_MATCH_LIMIT_RECURSION, PCRE_EXTRA_CALLOUT_DATA, and  PCRE_EXTRA_MATCH_LIMIT_RECURSION, PCRE_EXTRA_CALLOUT_DATA, and
83  PCRE_EXTRA_TABLES. For DFA matching, the <i>match_limit</i> and  PCRE_EXTRA_TABLES. For this matching function, the <i>match_limit</i> and
84  <i>match_limit_recursion</i> fields are not used, and must not be set.  <i>match_limit_recursion</i> fields are not used, and must not be set.
85  </P>  </P>
86  <P>  <P>
Legend:
Removed from v.92  
changed lines
  Added in v.93
webmaster@exim.org
 ViewVC Help
Powered by ViewVC 1.1.12