/[pcre]/code/trunk/doc/pcre_dfa_exec.3
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revision 91 by nigel, Sat Feb 24 21:41:34 2007 UTC revision 93 by nigel, Sat Feb 24 21:41:42 2007 UTC
# Line 20  PCRE - Perl-compatible regular expressio Line 20  PCRE - Perl-compatible regular expressio
20  .rs  .rs
21  .sp  .sp
22  This function matches a compiled regular expression against a given subject  This function matches a compiled regular expression against a given subject
23  string, using a DFA matching algorithm (\fInot\fP Perl-compatible). Note that  string, using an alternative matching algorithm that scans the subject string
24  the main, Perl-compatible, matching function is \fBpcre_exec()\fP. The  just once (\fInot\fP Perl-compatible). Note that the main, Perl-compatible,
25  arguments for this function are:  matching function is \fBpcre_exec()\fP. The arguments for this function are:
26  .sp  .sp
27    \fIcode\fP         Points to the compiled pattern    \fIcode\fP         Points to the compiled pattern
28    \fIextra\fP        Points to an associated \fBpcre_extra\fP structure,    \fIextra\fP        Points to an associated \fBpcre_extra\fP structure,
# Line 40  arguments for this function are: Line 40  arguments for this function are:
40  The options are:  The options are:
41  .sp  .sp
42    PCRE_ANCHORED      Match only at the first position    PCRE_ANCHORED      Match only at the first position
43      PCRE_NEWLINE_ANY   Recognize any Unicode newline sequence
44    PCRE_NEWLINE_CR    Set CR as the newline sequence    PCRE_NEWLINE_CR    Set CR as the newline sequence
45    PCRE_NEWLINE_CRLF  Set CRLF as the newline sequence    PCRE_NEWLINE_CRLF  Set CRLF as the newline sequence
46    PCRE_NEWLINE_LF    Set LF as the newline sequence    PCRE_NEWLINE_LF    Set LF as the newline sequence
# Line 53  The options are: Line 54  The options are:
54    PCRE_DFA_SHORTEST  Return only the shortest match    PCRE_DFA_SHORTEST  Return only the shortest match
55    PCRE_DFA_RESTART   This is a restart after a partial match    PCRE_DFA_RESTART   This is a restart after a partial match
56  .sp  .sp
57  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
58  DFA algorithm is requested. Details are given in the  function. Details are given in the
59  .\" HREF  .\" HREF
60  \fBpcrematching\fP  \fBpcrematching\fP
61  .\"  .\"
# Line 71  A \fBpcre_extra\fP structure contains th Line 72  A \fBpcre_extra\fP structure contains th
72  .sp  .sp
73  The flag bits are PCRE_EXTRA_STUDY_DATA, PCRE_EXTRA_MATCH_LIMIT,  The flag bits are PCRE_EXTRA_STUDY_DATA, PCRE_EXTRA_MATCH_LIMIT,
74  PCRE_EXTRA_MATCH_LIMIT_RECURSION, PCRE_EXTRA_CALLOUT_DATA, and  PCRE_EXTRA_MATCH_LIMIT_RECURSION, PCRE_EXTRA_CALLOUT_DATA, and
75  PCRE_EXTRA_TABLES. For DFA matching, the \fImatch_limit\fP and  PCRE_EXTRA_TABLES. For this matching function, the \fImatch_limit\fP and
76  \fImatch_limit_recursion\fP fields are not used, and must not be set.  \fImatch_limit_recursion\fP fields are not used, and must not be set.
77  .P  .P
78  There is a complete description of the PCRE native API in the  There is a complete description of the PCRE native API in the

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