.TH PCRE 3 .SH NAME PCRE - Perl-compatible regular expressions .SH SYNOPSIS .rs .sp .B #include .PP .SM .br .B char *pcre_version(void); . .SH DESCRIPTION .rs .sp This function returns a character string that gives the version number of the PCRE library and the date of its release. .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.