Hello,
from the gnu sed manual, I should be able to do this:
`\(REGEXP\)'
Groups the inner REGEXP as a whole, this is used to:
* Apply postfix operators, like `\(abcd\)*': this will search
for zero or more whole sequences of `abcd', while `abcd*'
... (3 Replies)
Why is only hello3 being printed? There must be some kind of syntax problem because the file list definitely includes all the file extensions line by line.
#!/bin/bash
find '/home/myuser/folder/' -name '*.c' -type f | while read F
do
if ] # if the file name ends in .txt.c
then
... (6 Replies)
Hi,
I'm trying to validate if a string matches a regular expression, but it is not working. Am I missing something? Do I need to scape any of the characters?
if echo 'en-GB' | egrep '({1,8})(-{1,8})*' >/dev/null; then
echo Valid value
fi
Thanks in advance (6 Replies)
I am trying to write my gsub regex to replace a bunch of special characters with spaces, so i can split it to an array and look at each word independently.
However, my regex skills are slightly lacking and I appear to be missing a quote or something here.
I am trying to replace the following... (6 Replies)
Hello to all,
The Regex below is supposed to match all strings except RR45. I've tested in regex101.com and it works, butwhen I try to use it with the perl command below I get the error shown.
Regex=(?<=^|RR45)(?!RR45).+?(?=RR45|$)
How to fix this? I'm using Cygwin.
$ echo... (9 Replies)
Hi Experts,
Need your kind help with gsub awk.
Below is my pattern:"exec=1_host_cnt=100_dup=4_NameTag=targetSrv_500.csv","'20171122112948"," 100"," 1"," 1"," 4","400","","",
" aac sample exec ""hostname=XXXXX commandline='timeout 10 openssl speed -multi 2 ; exit 0'"" ","-1","-1","1","... (6 Replies)
Discussion started by: pradyumnajpn10
6 Replies
LEARN ABOUT PHP
mb_regex_set_options
MB_REGEX_SET_OPTIONS(3) 1 MB_REGEX_SET_OPTIONS(3)mb_regex_set_options - Set/Get the default options for mbregex functions
SYNOPSIS
string mb_regex_set_options ([string $options = mb_regex_set_options()])
DESCRIPTION
Sets the default options described by $options for multibyte regex functions.
PARAMETERS
o $options
- The options to set. This is a string where each character is an option. To set a mode, the mode character must be the last one
set, however there can only be set one mode but multiple options.
Regex options
+-------+-------------------------------+---+---+
|Option | | | |
| | | | |
| | Meaning | | |
| | | | |
+-------+-------------------------------+---+---+
| i | | | |
| | | | |
| | Ambiguity match on | | |
| | | | |
| x | | | |
| | | | |
| | Enables extended pattern form | | |
| | | | |
| m | | | |
| | | | |
| | | | |
| | '.' matches with newlines | | |
| | | | |
| s | | | |
| | | | |
| | | | |
| | '^' -> 'A', '$' -> '' | | |
| | | | |
| p | | | |
| | | | |
| | Same as both the m and s | | |
| | options | | |
| | | | |
| l | | | |
| | | | |
| | Finds longest matches | | |
| | | | |
| n | | | |
| | | | |
| | Ignores empty matches | | |
| | | | |
| e | | | |
| | | | |
| | eval(3) resulting code | | |
| | | | |
+-------+-------------------------------+---+---+
Regex syntax modes
+-----+----------------------------+---+---+
|Mode | | | |
| | | | |
| | Meaning | | |
| | | | |
+-----+----------------------------+---+---+
| j | | | |
| | | | |
| | Java (Sun java.util.regex) | | |
| | | | |
| u | | | |
| | | | |
| | GNU regex | | |
| | | | |
| g | | | |
| | | | |
| | grep | | |
| | | | |
| c | | | |
| | | | |
| | Emacs | | |
| | | | |
| r | | | |
| | | | |
| | Ruby | | |
| | | | |
| z | | | |
| | | | |
| | Perl | | |
| | | | |
| b | | | |
| | | | |
| | POSIX Basic regex | | |
| | | | |
| d | | | |
| | | | |
| | POSIX Extended regex | | |
| | | | |
+-----+----------------------------+---+---+
RETURN VALUES
The previous options. If $options is omitted, it returns the string that describes the current options.
SEE ALSO mb_split(3), mb_ereg(3), mb_eregi(3).
PHP Documentation Group MB_REGEX_SET_OPTIONS(3)