Removing part of a string before a pattern
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Am trying to use the sed command to remove all the text before the first numeric character in all the lines, by using the following
sed 's/.*[0-9]//' temp1.txt
However, it is removing all the text up to the last numeric character.
sed
asked Oct 28 '17 at 15:07
thefinn
112
add a comment |Â
up vote
2
down vote
favorite
Am trying to use the sed command to remove all the text before the first numeric character in all the lines, by using the following
sed 's/.*[0-9]//' temp1.txt
However, it is removing all the text up to the last numeric character.
sed
asked Oct 28 '17 at 15:07
thefinn
112
you should add sample input/output to clarify whether or not you want to remove the first digit as well... you text saysbeforebut the code you tried removes the digit
– Sundeep
Oct 28 '17 at 15:25
see also stackoverflow.com/questions/5319840/…
– Sundeep
Oct 28 '17 at 15:25
add a comment |Â
up vote
2
down vote
favorite
up vote
2
down vote
favorite
Am trying to use the sed command to remove all the text before the first numeric character in all the lines, by using the following
sed 's/.*[0-9]//' temp1.txt
However, it is removing all the text up to the last numeric character.
sed
asked Oct 28 '17 at 15:07
thefinn
112
Am trying to use the sed command to remove all the text before the first numeric character in all the lines, by using the following
sed 's/.*[0-9]//' temp1.txt
However, it is removing all the text up to the last numeric character.
sed
asked Oct 28 '17 at 15:07
thefinn
112
asked Oct 28 '17 at 15:07
thefinn
112
asked Oct 28 '17 at 15:07
thefinn
112
asked Oct 28 '17 at 15:07
thefinn
112
112
you should add sample input/output to clarify whether or not you want to remove the first digit as well... you text saysbeforebut the code you tried removes the digit
– Sundeep
Oct 28 '17 at 15:25
see also stackoverflow.com/questions/5319840/…
– Sundeep
Oct 28 '17 at 15:25
add a comment |Â
you should add sample input/output to clarify whether or not you want to remove the first digit as well... you text saysbeforebut the code you tried removes the digit
– Sundeep
Oct 28 '17 at 15:25
see also stackoverflow.com/questions/5319840/…
– Sundeep
Oct 28 '17 at 15:25
you should add sample input/output to clarify whether or not you want to remove the first digit as well... you text says
before but the code you tried removes the digit– Sundeep
Oct 28 '17 at 15:25
you should add sample input/output to clarify whether or not you want to remove the first digit as well... you text says
before but the code you tried removes the digit– Sundeep
Oct 28 '17 at 15:25
see also stackoverflow.com/questions/5319840/…
– Sundeep
Oct 28 '17 at 15:25
see also stackoverflow.com/questions/5319840/…
– Sundeep
Oct 28 '17 at 15:25
add a comment |Â
1 Answer
1
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2
down vote
this is due to eager algorithm of sed.
use:
sed 's/^[^0-9]*//' temp1.txt
where
^begining of line[^0-9]any char but 0-9*multiple time
answered Oct 28 '17 at 15:14
Archemar
19k93366
1
This will also remove the first numeric character, if this is not desired, leave off the second[0-9]
– crater2150
Oct 28 '17 at 15:17
@crater2150 edited, thanks.
– Archemar
Oct 28 '17 at 15:38
add a comment |Â
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
2
down vote
this is due to eager algorithm of sed.
use:
sed 's/^[^0-9]*//' temp1.txt
where
^begining of line[^0-9]any char but 0-9*multiple time
answered Oct 28 '17 at 15:14
Archemar
19k93366
1
This will also remove the first numeric character, if this is not desired, leave off the second[0-9]
– crater2150
Oct 28 '17 at 15:17
@crater2150 edited, thanks.
– Archemar
Oct 28 '17 at 15:38
add a comment |Â
up vote
2
down vote
this is due to eager algorithm of sed.
use:
sed 's/^[^0-9]*//' temp1.txt
where
^begining of line[^0-9]any char but 0-9*multiple time
answered Oct 28 '17 at 15:14
Archemar
19k93366
1
This will also remove the first numeric character, if this is not desired, leave off the second[0-9]
– crater2150
Oct 28 '17 at 15:17
@crater2150 edited, thanks.
– Archemar
Oct 28 '17 at 15:38
add a comment |Â
up vote
2
down vote
up vote
2
down vote
this is due to eager algorithm of sed.
use:
sed 's/^[^0-9]*//' temp1.txt
where
^begining of line[^0-9]any char but 0-9*multiple time
answered Oct 28 '17 at 15:14
Archemar
19k93366
this is due to eager algorithm of sed.
use:
sed 's/^[^0-9]*//' temp1.txt
where
^begining of line[^0-9]any char but 0-9*multiple time
answered Oct 28 '17 at 15:14
Archemar
19k93366
edited Oct 28 '17 at 15:37
answered Oct 28 '17 at 15:14
Archemar
19k93366
answered Oct 28 '17 at 15:14
Archemar
19k93366
answered Oct 28 '17 at 15:14
Archemar
19k93366
19k93366
1
This will also remove the first numeric character, if this is not desired, leave off the second[0-9]
– crater2150
Oct 28 '17 at 15:17
@crater2150 edited, thanks.
– Archemar
Oct 28 '17 at 15:38
add a comment |Â
1
This will also remove the first numeric character, if this is not desired, leave off the second[0-9]
– crater2150
Oct 28 '17 at 15:17
@crater2150 edited, thanks.
– Archemar
Oct 28 '17 at 15:38
1
1
This will also remove the first numeric character, if this is not desired, leave off the second
[0-9]– crater2150
Oct 28 '17 at 15:17
This will also remove the first numeric character, if this is not desired, leave off the second
[0-9]– crater2150
Oct 28 '17 at 15:17
@crater2150 edited, thanks.
– Archemar
Oct 28 '17 at 15:38
@crater2150 edited, thanks.
– Archemar
Oct 28 '17 at 15:38
add a comment |Â
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you should add sample input/output to clarify whether or not you want to remove the first digit as well... you text says
beforebut the code you tried removes the digit– Sundeep
Oct 28 '17 at 15:25
see also stackoverflow.com/questions/5319840/…
– Sundeep
Oct 28 '17 at 15:25