Regex Question Post: 302821777

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hi, i got a problem with understanding regular expressions. what i wanna do is scanning the wtmp logfile for ips and if a specific ip is echoed id like to be a part of a text to be assigned to it. the scanning is done with #! /bin/bash cat wtmp | strings | egrep -o "+\.+\.+\." | sort -u...

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I have a simple file test.out that contains data in the form of key1=A|shift1 key2=B|shift2 key3=C|shift3 and so on. I need to get it to print A B C I can do it using lookbehind assertion such as this ( ?<==)() yet I was wondering if there is another way of mutching single...

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Hi I have a question on regex There is a line in a script like my_file="$(echo SunMonTueWed | sed "s//_&g") " My question what does the expression _&g do. Obviously in this example the output is _Sun_Mon_Tue_Wed Another question can i use some trick to get the result like...

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Hi, im sure this is really simple but i cant quite figure it out. how do i test against a word at the beginning of the line but up to the point of a delimiter i.e. ":" for example if i wanted to test against the user in the /etc/passwd file peter:x:101:100:peters account:/var/peter:/bin/sh ...

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I have a basic question regarding * and . while using regex: # echo 3 | grep ^*$ 3 I think I understood why it outputs "3" here (because '*' matches zero or more of the previous character) but I don't understand the output of the following command: # echo 3 | grep ^.$ # I thought I...

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I have dates in mm/dd/yy format that I wish to convert to yy-mm-dd format. ()/()/() finds them, but when I try to replace with $3-$1-$2 both kate and kwrite treat it as a text literal.

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Hi, I am trying to write a regex for myscript and need some input from experts. here is what I must grep for TICKET{Sapce}{Space}{hyphen} so here is the example data TICKET 34554, CT-12345, TICKET 12345: some text here TICKET 2342, CT-12345, MA-12344: some text here TICKET...

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Hi guys, I have a file in the following format: cmpr5551 cmpr6002 cmpr93 anne 5454 bbro 434 cmprsvc cmprsvc7 ffgi55 vefe99 cmprsvc8 cmprsvc9 I need to "grep" only the entries which start with "cmpr" followed by the number. All other entries should be excluded. I was trying to use...

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Hi guys, I am trying to "grep" or "egrep" the following entry out of the file using regex: MACCDB1 or MACCDB2 The problem is that the file might contain other entries which start with "MACCDB" string. I was trying to use regex to "grep" the exact pattern but it fails to output the correct...

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I want to match all occurrence of 01,03,05,07,10,11 at 9th and 10th position of a string . I tried the following but its also matching characters like 33 or 11 on 9th and 10th position . sed "/^\{8\}00/d" A.TXT 000000001000 433483433339 <<< wrong 121121211100 <<< wrong 167710000110...

LEARN ABOUT CENTOS

drop_language

DROP 
LANGUAGE(7)					  PostgreSQL 9.2.7 Documentation					  DROP LANGUAGE(7)

NAME

       DROP_LANGUAGE - remove a procedural language

SYNOPSIS

       DROP [ PROCEDURAL ] LANGUAGE [ IF EXISTS ] name [ CASCADE | RESTRICT ]

DESCRIPTION

       DROP LANGUAGE removes the definition of a previously registered procedural language. You must be a superuser or the owner of the language
       to use DROP LANGUAGE.

	   Note
	   As of PostgreSQL 9.1, most procedural languages have been made into "extensions", and should therefore be removed with DROP EXTENSION
	   (DROP_EXTENSION(7)) not DROP LANGUAGE.

PARAMETERS

       IF EXISTS
	   Do not throw an error if the language does not exist. A notice is issued in this case.

       name
	   The name of an existing procedural language. For backward compatibility, the name can be enclosed by single quotes.

       CASCADE
	   Automatically drop objects that depend on the language (such as functions in the language).

       RESTRICT
	   Refuse to drop the language if any objects depend on it. This is the default.

EXAMPLES

       This command removes the procedural language plsample:

	   DROP LANGUAGE plsample;

COMPATIBILITY

       There is no DROP LANGUAGE statement in the SQL standard.

SEE ALSO

       ALTER LANGUAGE (ALTER_LANGUAGE(7)), CREATE LANGUAGE (CREATE_LANGUAGE(7)), droplang(1)

PostgreSQL 9.2.7						    2014-02-17							  DROP LANGUAGE(7)

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drop_language