|
|
Sponsored Content
Top Forums
UNIX for Dummies Questions & Answers
Regex to match when input is not a certain string (can't use grep -v)
Post 302392207 by anbu23 on Wednesday 3rd of February 2010 03:45:41 PM
02-03-2010
|
|
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello, all! Maybe the title is badly formulated, you can help me with that...!
I'm using the GNU grep, and I need to make sure that grep will extract only what I tell it to.
I have the following regular expression: *?
Well, I need to make sure I grep only a word which may start with a... (11 Replies)
Discussion started by: teresaejunior
11 Replies
2. Shell Programming and Scripting
I have a file that contains the 2 following lines (from /proc/mounts)
/dev/sdc1 /mnt/backup2 xfs rw,relatime,attr2,noquota 0 0
/dev/sdb1 /mnt/backup xfs rw,relatime,attr2,noquota 0 0
I need to match the string in the second column exactly so that only one result is returned, e.g.
> grep... (2 Replies)
Discussion started by: jelloir
2 Replies
3. Shell Programming and Scripting
Hi,
1_strings file contains
$ cat 1_strings
/home/$USER/Src
/home/Valid
/home/Review$ cat myxml
<projected value="some string" path="/home/$USER/Src">
<input 1/>
<estimate value/>
<somestring/>
</projected>
<few more lines >
<projected value="some string" path="/home/$USER/check">... (4 Replies)
Discussion started by: greet_sed
4 Replies
4. Shell Programming and Scripting
Hello all,
I have file like this:
file 1:
aa
bb
cc
dd
ee
file2:
111
111
111
111
111
111 (2 Replies)
Discussion started by: attila
2 Replies
5. Shell Programming and Scripting
i have a script in which i need to skip comments, and i am able to achieve it partially...
IN text file:
{****************************
{test : test...test }
Script:
while (<$fh>)
{
push ( @data, $_);
}
if ( $data =~ m/(^{\*+$)/ ){
}
With the above match i am... (5 Replies)
Discussion started by: avskrm
5 Replies
6. Shell Programming and Scripting
Hello,
I need an awk command to print only the lines that match regex on xth field from file.
For example if I use this command
awk -F"|" ' $22 == "20130117090000.*" 'It wont work, I think, because single quotes wont allow the usage of the metacharacter star * . On the other hand I dont know... (2 Replies)
Discussion started by: black_fender
2 Replies
7. Shell Programming and Scripting
Hello to all,
How would be the correct regex to match only the first occurence of
the pattern 3.*6.
I'm trying with 3.*6 trying to match only 34rrte56, but with my current regex is matching 4rrte567890123456789123powiluur56. And if I try with ?
doesn't print anything
echo... (6 Replies)
Discussion started by: Ophiuchus
6 Replies
8. Shell Programming and Scripting
#!/bin/ksh
echo DB LIST
ps -ef | grep pmon | grep -v grep | awk -F_ '{print $3}' | sort
db_up=`ps -ef | grep pmon | grep -v grep | awk -F_ '{print $3}' | sort`
echo
echo "Enter database name from the above list"
echo
read ORACLE_SID
echo
echo Database selected is: $ORACLE_SID
echo
... (10 Replies)
Discussion started by: crazy_max
10 Replies
9. Shell Programming and Scripting
Hi to you all,
I'm just struggling with a regex problem and I'm pretty sure that I'm missing sth obvious... :confused:
I need a regex to feed my grep in order to find lines that contain one string but not the other.
Here's the data example:
2015-04-08 19:04:55,926|xxxxxxxxxx| ... (11 Replies)
Discussion started by: stresing
11 Replies
10. Shell Programming and Scripting
Hi all,
I have the following entries in a file:
Cause Indicators=80 90
Cause Indicators=80 90
Cause Indicators=82 90
Cause Indicators=82 90
Cause Indicators=82 90
The first 2 digits might change so I am after a sort of grep which could find any first 2 digits + the second 2,... (3 Replies)
Discussion started by: nms
3 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)