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pcre_fullinfo.3
.TH PCRE_FULLINFO 3 .SH NAME PCRE - Perl-compatible regular expressions .SH SYNOPSIS .rs .sp .B #include <pcre.h> .PP .SM .B int pcre_fullinfo(const pcre *\fIcode\fP, "const pcre_extra *\fIextra\fP," .ti +5n .B int \fIwhat\fP, void *\fIwhere\fP); . .SH DESCRIPTION .rs .sp This function returns information about a compiled pattern. Its arguments are: .sp \fIcode\fP Compiled regular expression \fIextra\fP Result of \fBpcre_study()\fP or NULL \fIwhat\fP What information is required \fIwhere\fP Where to put the information .sp The following information is available: .sp PCRE_INFO_BACKREFMAX Number of highest back reference PCRE_INFO_CAPTURECOUNT Number of capturing subpatterns PCRE_INFO_DEFAULT_TABLES Pointer to default tables PCRE_INFO_FIRSTBYTE Fixed first byte for a match, or -1 for start of string or after newline, or -2 otherwise PCRE_INFO_FIRSTTABLE Table of first bytes (after studying) PCRE_INFO_JCHANGED Return 1 if (?J) or (?-J) was used PCRE_INFO_LASTLITERAL Literal last byte required PCRE_INFO_MINLENGTH Lower bound length of matching strings PCRE_INFO_NAMECOUNT Number of named subpatterns PCRE_INFO_NAMEENTRYSIZE Size of name table entry PCRE_INFO_NAMETABLE Pointer to name table PCRE_INFO_OKPARTIAL Return 1 if partial matching can be tried (always returns 1 after release 8.00) PCRE_INFO_OPTIONS Option bits used for compilation PCRE_INFO_SIZE Size of compiled pattern PCRE_INFO_STUDYSIZE Size of study data .sp The yield of the function is zero on success or: .sp PCRE_ERROR_NULL the argument \fIcode\fP was NULL the argument \fIwhere\fP was NULL PCRE_ERROR_BADMAGIC the "magic number" was not found PCRE_ERROR_BADOPTION the value of \fIwhat\fP was invalid .P There is a complete description of the PCRE native API in the .\" HREF \fBpcreapi\fP .\" page and a description of the POSIX API in the .\" HREF \fBpcreposix\fP .\" page.
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