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RE_COMP

Section: Linux Programmer's Manual (3)
Updated: 2015-03-02
Index Return to Main Contents
 

NAME

re_comp, re_exec - BSD regex functions  

SYNOPSIS

#define _REGEX_RE_COMP
#include <sys/types.h>
#include <regex.h>

char *re_comp(const char *regex);

int re_exec(const char *string);  

DESCRIPTION

re_comp() is used to compile the null-terminated regular expression pointed to by regex. The compiled pattern occupies a static area, the pattern buffer, which is overwritten by subsequent use of re_comp(). If regex is NULL, no operation is performed and the pattern buffer's contents are not altered.

re_exec() is used to assess whether the null-terminated string pointed to by string matches the previously compiled regex.  

RETURN VALUE

re_comp() returns NULL on successful compilation of regex otherwise it returns a pointer to an appropriate error message.

re_exec() returns 1 for a successful match, zero for failure.  

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).
InterfaceAttributeValue
re_comp(), re_exec() Thread safetyMT-Unsafe
 

CONFORMING TO

4.3BSD.  

NOTES

These functions are obsolete; the functions documented in regcomp(3) should be used instead.  

SEE ALSO

regcomp(3), regex(7), GNU regex manual  

COLOPHON

This page is part of release 3.81 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at http://www.kernel.org/doc/man-pages/.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ATTRIBUTES
CONFORMING TO
NOTES
SEE ALSO
COLOPHON


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