Linux and UNIX Man Pages

Linux & Unix Commands - Search Man Pages

re_exec(3) [php man page]

RE_COMP(3)						     Linux Programmer's Manual							RE_COMP(3)

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). +---------------------+---------------+-----------+ |Interface | Attribute | Value | +---------------------+---------------+-----------+ |re_comp(), re_exec() | Thread safety | MT-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 4.15 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 https://www.kernel.org/doc/man-pages/. GNU
2017-09-15 RE_COMP(3)

Check Out this Related Man Page

RE_COMP(3)						     Linux Programmer's Manual							RE_COMP(3)

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). +---------------------+---------------+-----------+ |Interface | Attribute | Value | +---------------------+---------------+-----------+ |re_comp(), re_exec() | Thread safety | MT-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 4.15 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 https://www.kernel.org/doc/man-pages/. GNU
2017-09-15 RE_COMP(3)
Man Page

15 More Discussions You Might Find Interesting

1. UNIX for Advanced & Expert Users

unzip

Is there any way to uncompress files in winzip/pkzip format which contain mulitple members without using the "unzip" command? (9 Replies)
Discussion started by: keroppi
9 Replies

2. Shell Programming and Scripting

Regex

Hello I need to make a regex. I have a file myfile, in this file I want to find a number situated after PAYSLOT= Before PAYSLOT is the begining of line (I guess ^) and after the number is the end of line (I guess $) . I want to echo this number (I guess $1) and put it in my variable payslot.... (5 Replies)
Discussion started by: pppswing
5 Replies

3. Shell Programming and Scripting

Quick regex question about alphabetic string

Hi guys, Pretty new to regex, and i know im doing something wrong here. I'm trying to get a regex command that restricts a string to be 8 characters long, and the first character cannot be 0. Here's what i have so far... echo "01234" | grep "^{8}*$" Thanks very much! -Crawf ... (7 Replies)
Discussion started by: crawf
7 Replies

4. Shell Programming and Scripting

Help with a perl subroutine regex

Hi, I can't get this script ot work and I wa wondering if anyone could help? I need to open a file and use a subroutine to search each line for a regular expression. If it matches then I need to return a match from the subroutine and print the result? Any help would be greatly... (11 Replies)
Discussion started by: jmd2004
11 Replies

5. Shell Programming and Scripting

printf / regex

Morning folks, I need help with the following issue: Let's say we I have the following output: First Name: Test Last Name: Test2 Number: T1234 Number2: T1234 Needed Output: T1234 Now I want to grep/nawk/printf/sed out the Number: (13 Replies)
Discussion started by: domi55
13 Replies

6. Shell Programming and Scripting

egrep regex

Hi, I have a file with some words divided into syllables by the character "|" (pipe). For example zu|ri|ghe|se.I would like a regex that matches all the words that are not divided in syllables.All the word that have no "|" pipe character.I have thought at $echo "zu|ri|ghe|se" | grep '' ... (7 Replies)
Discussion started by: and77
7 Replies

7. Shell Programming and Scripting

Perl regex

I have got numbers like l255677 l376039 l188144 l340482 l440700 l254113 to match the numbers starting with '13' what would be the regex =~/13(.*)/ =======>This is not working .... But for user123,user657 regex =~/user(.*)/ ========>works Thanks for help..!! (7 Replies)
Discussion started by: trina_1
7 Replies

8. Shell Programming and Scripting

Script to put block comment after finding regex in xml file

hi, i need my bash script to find regex in xml file.. and comment 2 lines before and after the line that contains regex.. can't use # needs to be <!-- at the beginning and --> and the end of the comment. so eg.. first block <filter> <filter-name>MyRegEx</filter-name> ... (11 Replies)
Discussion started by: Poki
11 Replies

9. Shell Programming and Scripting

why "aab" matchs "ab" when using reglar expression ?

Please see the following code, why "aab" matchs "ab" when using reglar expression ? $ ] && echo "ok" || echo "error"; ok $ ] && echo "ok" || echo "error"; error $ ] && echo "ok" || echo "error"; error $ ] && echo... (8 Replies)
Discussion started by: 915086731
8 Replies

10. Shell Programming and Scripting

Every regex tp new file

Hi, I have a file like this- regex 1 2 regex 2 4 5 regex 4 6 8 regex how do I split each interval to a new file? something like- file1-1 2 file2-2 (7 Replies)
Discussion started by: jamie_123
7 Replies

11. Shell Programming and Scripting

regex in ls

Hi Experts, I am using ls with regex in the below manner: VAR="*.txt *.TXT" ls -l $VAR This is working fine if I have both txt and TXT extension files in my directory. But if any of them is not present, its throwing errors, that *.TXT file not found in the directory. So what am i missing... (6 Replies)
Discussion started by: sugarcane
6 Replies

12. Shell Programming and Scripting

Bash regex help

I've been using the following regex below in a bash script on RHEL 5.5 using version GNU bash, version 3.2.25(1)-release I've tried using the script on RHEL 6.3 which uses GNU bash, version 4.1.2(1)-release I assume there's been alot of changes to bash since that's quite a jump in revisions.... (12 Replies)
Discussion started by: woodson2
12 Replies

13. UNIX for Dummies Questions & Answers

Regex Needed:(

I am looking for the proper regex to match the hostname "areagc11" of this log.... Any help would be awsome:) Oct 25 11:08:18 areagc11 961: Oct 25 18:08:17.536 GMT: %SYS-5-CONFIG_I: Configured from console by someone onvty1 (10.156.72.97) (6 Replies)
Discussion started by: jlaigo2
6 Replies

14. Shell Programming and Scripting

How to get next 3 lines after regex?

HI, Just wanted to get some advice on how i can get the next 3 lines after a regex: Say i have a file which contains something like below: client467 master tcp ether tor0141 4467 query tcp ether tor0141 4467 client468 master tcp ether tor2141 4468 ... (17 Replies)
Discussion started by: reignangel2003
17 Replies

15. Shell Programming and Scripting

Help with detect with regex and move script

Hi all, I am needing some help with a script that will search for a video file by known extensions and then do a pattern search (I'm guessing via regex) and then based on a match of one type of another move the file to an assigned directory. I would like to do this with either a shell script... (7 Replies)
Discussion started by: Simplify
7 Replies