Grep words with special symbols

Clash Royale CLAN TAG#URR8PPP

up vote
5
down vote

favorite

1

How do I grep this? (Including the special characters)

"Limit reached."[n]"

I tried back-slashing the special symbols but end up not working, like this:

grep '"Limit reached."[\n]" '

I also tried other techniques but also not working. Is there any other syntax you could suggest/advice?

linux grep special-characters

share|improve this question

edited yesterday

Rui F Ribeiro

36.3k1271116

asked yesterday

Cyril

282

New contributor

Cyril is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  is space after last double quote a typos ?
  – Archemar
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  No, but I also tried with no space
  – Cyril
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  Double quotes are not paired. Is it normal?
  – Fólkvangr
  yesterday
  
  

  
  
  
  

add a comment | 

up vote
5
down vote

favorite

1

How do I grep this? (Including the special characters)

"Limit reached."[n]"

I tried back-slashing the special symbols but end up not working, like this:

grep '"Limit reached."[\n]" '

I also tried other techniques but also not working. Is there any other syntax you could suggest/advice?

linux grep special-characters

share|improve this question

edited yesterday

Rui F Ribeiro

36.3k1271116

asked yesterday

Cyril

282

New contributor

Cyril is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  is space after last double quote a typos ?
  – Archemar
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  No, but I also tried with no space
  – Cyril
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  Double quotes are not paired. Is it normal?
  – Fólkvangr
  yesterday
  
  

  
  
  
  

add a comment | 

up vote
5
down vote

favorite

1

up vote
5
down vote

favorite

1

1

How do I grep this? (Including the special characters)

"Limit reached."[n]"

I tried back-slashing the special symbols but end up not working, like this:

grep '"Limit reached."[\n]" '

I also tried other techniques but also not working. Is there any other syntax you could suggest/advice?

linux grep special-characters

share|improve this question

edited yesterday

Rui F Ribeiro

36.3k1271116

asked yesterday

Cyril

282

New contributor

Cyril is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

How do I grep this? (Including the special characters)

"Limit reached."[n]"

I tried back-slashing the special symbols but end up not working, like this:

grep '"Limit reached."[\n]" '

I also tried other techniques but also not working. Is there any other syntax you could suggest/advice?

linux grep special-characters

linux grep special-characters

share|improve this question

edited yesterday

Rui F Ribeiro

36.3k1271116

asked yesterday

Cyril

282

New contributor

Cyril is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

edited yesterday

Rui F Ribeiro

36.3k1271116

asked yesterday

Cyril

282

New contributor

Cyril is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

share|improve this question

edited yesterday

Rui F Ribeiro

36.3k1271116

edited yesterday

Rui F Ribeiro

36.3k1271116

edited yesterday

Rui F Ribeiro

36.3k1271116

36.3k1271116

asked yesterday

Cyril

282

New contributor

Cyril is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked yesterday

Cyril

282

asked yesterday

Cyril

282

282

New contributor

Cyril is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

New contributor

Cyril is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

Cyril is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  is space after last double quote a typos ?
  – Archemar
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  No, but I also tried with no space
  – Cyril
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  Double quotes are not paired. Is it normal?
  – Fólkvangr
  yesterday
  
  

  
  
  
  

add a comment | 

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  is space after last double quote a typos ?
  – Archemar
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  No, but I also tried with no space
  – Cyril
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  Double quotes are not paired. Is it normal?
  – Fólkvangr
  yesterday
  
  

  
  
  
  

1

1

is space after last double quote a typos ?
– Archemar
yesterday

is space after last double quote a typos ?
– Archemar
yesterday

No, but I also tried with no space
– Cyril
yesterday

No, but I also tried with no space
– Cyril
yesterday

Double quotes are not paired. Is it normal?
– Fólkvangr
yesterday

Double quotes are not paired. Is it normal?
– Fólkvangr
yesterday

add a comment | 

2 Answers
2

active

oldest

votes

up vote
11
down vote



accepted

use -F in grep

$ cat test.txt
"Limit reached."[n]"
test
"Limit reached."[n]"

$ grep -F '"Limit reached."[n]"' test.txt
"Limit reached."[n]"
"Limit reached."[n]"

As per Manual page,

 -F, --fixed-strings, --fixed-regexp
 Interpret PATTERN as a list of fixed strings, separated by newlines, any of which is to be matched. (-F is specified by> POSIX,
 --fixed-regexp is an obsoleted alias, please do not use it new scripts.)

share|improve this answer

answered yesterday

Kamaraj

2,8551413

• 
  
  
  

  
  

  
  
  
  
  
  

  
  This is good and simple. Thanks!
  – Cyril
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  There is also the fgrep command, which as per the manpage does just grep -F. Personally I always use fgrep unless I know I am really using a regexp.
  – Marc van Leeuwen
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  @MarcvanLeeuwen it might be a good idea to get used to grep -F since fgrep and egrep are only included for backwards compatibility now that POSIX specifies -F and -E.
  – terdon♦
  yesterday
  

  
  
  
  

add a comment | 

up vote
5
down vote

You were very close.

You do not need to excape ", and cannot use shell-escape in single quotes. Therefore all escaping is for grep, not for the shell. (Note on single quotes: single quotes does no interpretation. If you need to put a single quote withing a single quoted string, then you have to come out of single quotes e.g. 'don'''t' )

Test

printf "%s" '"Limit reached."[n]"' | grep '"Limit reached."[\n]"'

share|improve this answer

answered yesterday

ctrl-alt-delor

9,11431948

• 
  
  
  

  
  

  
  
  
  
  
  

  
  Thank you for this. This works also but on the real logs file, doesn't work. Good explanation though.
  – Cyril
  yesterday
  

  
  
  
  

add a comment | 

Your Answer

StackExchange.ready(function()
var channelOptions =
tags: "".split(" "),
id: "106"
;
initTagRenderer("".split(" "), "".split(" "), channelOptions);

StackExchange.using("externalEditor", function()
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled)
StackExchange.using("snippets", function()
createEditor();
);

else
createEditor();

);

function createEditor()
StackExchange.prepareEditor(
heartbeatType: 'answer',
convertImagesToLinks: false,
noModals: false,
showLowRepImageUploadWarning: true,
reputationToPostImages: null,
bindNavPrevention: true,
postfix: "",
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
);



);

Cyril is a new contributor. Be nice, and check out our Code of Conduct.

 

draft saved

draft discarded

Sign up or log in

StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);

Sign up using Google

Sign up using Facebook

Sign up using Email and Password

Post as a guest

Name Email

StackExchange.ready(
function ()
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2funix.stackexchange.com%2fquestions%2f468192%2fgrep-words-with-special-symbols%23new-answer', 'question_page');

);

Post as a guest

Name Email

2 Answers
2

active

oldest

votes

2 Answers
2

active

oldest

votes

active

oldest

votes

active

oldest

votes

up vote
11
down vote



accepted

use -F in grep

$ cat test.txt
"Limit reached."[n]"
test
"Limit reached."[n]"

$ grep -F '"Limit reached."[n]"' test.txt
"Limit reached."[n]"
"Limit reached."[n]"

As per Manual page,

 -F, --fixed-strings, --fixed-regexp
 Interpret PATTERN as a list of fixed strings, separated by newlines, any of which is to be matched. (-F is specified by> POSIX,
 --fixed-regexp is an obsoleted alias, please do not use it new scripts.)

share|improve this answer

answered yesterday

Kamaraj

2,8551413

• 
  
  
  

  
  

  
  
  
  
  
  

  
  This is good and simple. Thanks!
  – Cyril
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  There is also the fgrep command, which as per the manpage does just grep -F. Personally I always use fgrep unless I know I am really using a regexp.
  – Marc van Leeuwen
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  @MarcvanLeeuwen it might be a good idea to get used to grep -F since fgrep and egrep are only included for backwards compatibility now that POSIX specifies -F and -E.
  – terdon♦
  yesterday
  

  
  
  
  

add a comment | 

up vote
11
down vote



accepted

use -F in grep

$ cat test.txt
"Limit reached."[n]"
test
"Limit reached."[n]"

$ grep -F '"Limit reached."[n]"' test.txt
"Limit reached."[n]"
"Limit reached."[n]"

As per Manual page,

 -F, --fixed-strings, --fixed-regexp
 Interpret PATTERN as a list of fixed strings, separated by newlines, any of which is to be matched. (-F is specified by> POSIX,
 --fixed-regexp is an obsoleted alias, please do not use it new scripts.)

share|improve this answer

answered yesterday

Kamaraj

2,8551413

• 
  
  
  

  
  

  
  
  
  
  
  

  
  This is good and simple. Thanks!
  – Cyril
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  There is also the fgrep command, which as per the manpage does just grep -F. Personally I always use fgrep unless I know I am really using a regexp.
  – Marc van Leeuwen
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  @MarcvanLeeuwen it might be a good idea to get used to grep -F since fgrep and egrep are only included for backwards compatibility now that POSIX specifies -F and -E.
  – terdon♦
  yesterday
  

  
  
  
  

add a comment | 

up vote
11
down vote



accepted

up vote
11
down vote



accepted

use -F in grep

$ cat test.txt
"Limit reached."[n]"
test
"Limit reached."[n]"

$ grep -F '"Limit reached."[n]"' test.txt
"Limit reached."[n]"
"Limit reached."[n]"

As per Manual page,

 -F, --fixed-strings, --fixed-regexp
 Interpret PATTERN as a list of fixed strings, separated by newlines, any of which is to be matched. (-F is specified by> POSIX,
 --fixed-regexp is an obsoleted alias, please do not use it new scripts.)

share|improve this answer

answered yesterday

Kamaraj

2,8551413

use -F in grep

$ cat test.txt
"Limit reached."[n]"
test
"Limit reached."[n]"

$ grep -F '"Limit reached."[n]"' test.txt
"Limit reached."[n]"
"Limit reached."[n]"

As per Manual page,

 -F, --fixed-strings, --fixed-regexp
 Interpret PATTERN as a list of fixed strings, separated by newlines, any of which is to be matched. (-F is specified by> POSIX,
 --fixed-regexp is an obsoleted alias, please do not use it new scripts.)

share|improve this answer

answered yesterday

Kamaraj

2,8551413

share|improve this answer

share|improve this answer

answered yesterday

Kamaraj

2,8551413

answered yesterday

Kamaraj

2,8551413

answered yesterday

Kamaraj

2,8551413

2,8551413

• 
  
  
  

  
  

  
  
  
  
  
  

  
  This is good and simple. Thanks!
  – Cyril
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  There is also the fgrep command, which as per the manpage does just grep -F. Personally I always use fgrep unless I know I am really using a regexp.
  – Marc van Leeuwen
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  @MarcvanLeeuwen it might be a good idea to get used to grep -F since fgrep and egrep are only included for backwards compatibility now that POSIX specifies -F and -E.
  – terdon♦
  yesterday
  

  
  
  
  

add a comment | 

• 
  
  
  

  
  

  
  
  
  
  
  

  
  This is good and simple. Thanks!
  – Cyril
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  There is also the fgrep command, which as per the manpage does just grep -F. Personally I always use fgrep unless I know I am really using a regexp.
  – Marc van Leeuwen
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  @MarcvanLeeuwen it might be a good idea to get used to grep -F since fgrep and egrep are only included for backwards compatibility now that POSIX specifies -F and -E.
  – terdon♦
  yesterday
  

  
  
  
  

This is good and simple. Thanks!
– Cyril
yesterday

This is good and simple. Thanks!
– Cyril
yesterday

There is also the fgrep command, which as per the manpage does just grep -F. Personally I always use fgrep unless I know I am really using a regexp.
– Marc van Leeuwen
yesterday

There is also the fgrep command, which as per the manpage does just grep -F. Personally I always use fgrep unless I know I am really using a regexp.
– Marc van Leeuwen
yesterday

@MarcvanLeeuwen it might be a good idea to get used to grep -F since fgrep and egrep are only included for backwards compatibility now that POSIX specifies -F and -E.
– terdon♦
yesterday

@MarcvanLeeuwen it might be a good idea to get used to grep -F since fgrep and egrep are only included for backwards compatibility now that POSIX specifies -F and -E.
– terdon♦
yesterday

add a comment | 

up vote
5
down vote

You were very close.

You do not need to excape ", and cannot use shell-escape in single quotes. Therefore all escaping is for grep, not for the shell. (Note on single quotes: single quotes does no interpretation. If you need to put a single quote withing a single quoted string, then you have to come out of single quotes e.g. 'don'''t' )

Test

printf "%s" '"Limit reached."[n]"' | grep '"Limit reached."[\n]"'

share|improve this answer

answered yesterday

ctrl-alt-delor

9,11431948

• 
  
  
  

  
  

  
  
  
  
  
  

  
  Thank you for this. This works also but on the real logs file, doesn't work. Good explanation though.
  – Cyril
  yesterday
  

  
  
  
  

add a comment | 

up vote
5
down vote

You were very close.

You do not need to excape ", and cannot use shell-escape in single quotes. Therefore all escaping is for grep, not for the shell. (Note on single quotes: single quotes does no interpretation. If you need to put a single quote withing a single quoted string, then you have to come out of single quotes e.g. 'don'''t' )

Test

printf "%s" '"Limit reached."[n]"' | grep '"Limit reached."[\n]"'

share|improve this answer

answered yesterday

ctrl-alt-delor

9,11431948

• 
  
  
  

  
  

  
  
  
  
  
  

  
  Thank you for this. This works also but on the real logs file, doesn't work. Good explanation though.
  – Cyril
  yesterday
  

  
  
  
  

add a comment | 

up vote
5
down vote

up vote
5
down vote

You were very close.

You do not need to excape ", and cannot use shell-escape in single quotes. Therefore all escaping is for grep, not for the shell. (Note on single quotes: single quotes does no interpretation. If you need to put a single quote withing a single quoted string, then you have to come out of single quotes e.g. 'don'''t' )

Test

printf "%s" '"Limit reached."[n]"' | grep '"Limit reached."[\n]"'

share|improve this answer

answered yesterday

ctrl-alt-delor

9,11431948

You were very close.

You do not need to excape ", and cannot use shell-escape in single quotes. Therefore all escaping is for grep, not for the shell. (Note on single quotes: single quotes does no interpretation. If you need to put a single quote withing a single quoted string, then you have to come out of single quotes e.g. 'don'''t' )

Test

printf "%s" '"Limit reached."[n]"' | grep '"Limit reached."[\n]"'

share|improve this answer

answered yesterday

ctrl-alt-delor

9,11431948

share|improve this answer

share|improve this answer

answered yesterday

ctrl-alt-delor

9,11431948

answered yesterday

ctrl-alt-delor

9,11431948

answered yesterday

ctrl-alt-delor

9,11431948

9,11431948

• 
  
  
  

  
  

  
  
  
  
  
  

  
  Thank you for this. This works also but on the real logs file, doesn't work. Good explanation though.
  – Cyril
  yesterday
  

  
  
  
  

add a comment | 

• 
  
  
  

  
  

  
  
  
  
  
  

  
  Thank you for this. This works also but on the real logs file, doesn't work. Good explanation though.
  – Cyril
  yesterday
  

  
  
  
  

Thank you for this. This works also but on the real logs file, doesn't work. Good explanation though.
– Cyril
yesterday

Thank you for this. This works also but on the real logs file, doesn't work. Good explanation though.
– Cyril
yesterday

add a comment | 

Cyril is a new contributor. Be nice, and check out our Code of Conduct.

 

draft saved

draft discarded

Cyril is a new contributor. Be nice, and check out our Code of Conduct.

Cyril is a new contributor. Be nice, and check out our Code of Conduct.

Cyril is a new contributor. Be nice, and check out our Code of Conduct.

 

draft saved

draft discarded

Sign up or log in

StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);

Sign up using Google

Sign up using Facebook

Sign up using Email and Password

Post as a guest

Name Email

StackExchange.ready(
function ()
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2funix.stackexchange.com%2fquestions%2f468192%2fgrep-words-with-special-symbols%23new-answer', 'question_page');

);

Post as a guest

Name Email

Sign up or log in

StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);

Sign up using Google

Sign up using Facebook

Sign up using Email and Password

Post as a guest

Name Email

Sign up or log in

StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);

Sign up using Google

Sign up using Facebook

Sign up using Email and Password

Post as a guest

Name Email

Sign up or log in

StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);

Sign up using Google

Sign up using Facebook

Sign up using Email and Password

Sign up using Google

Sign up using Facebook

Sign up using Email and Password

Post as a guest

Name Email

Name Email

Name

Email

Name Email

Name

Email