Inserting delim between numbers and strings in bash
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4.8 years ago
mbk0asis ▴ 630

Hi.

How can I insert a delimiter between number and string?

I tried using 'sed' but couldn't get the result I want.

Here's an example and the code I used.

ex) 5c  --> 5,c   

sed 's/[0-9][a-zA-Z]/[0-9],[a-zA-Z]/g'

Thank you!

bash • 1.2k views
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"A programmer has a problem and thinks 'I know, I'll use regular expressions'. Now he has two problems."

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5
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4.8 years ago

sed version

sed -r 's/([0-9]+)([a-zA-Z]+)/\1,\2/g'

Perl version

perl -pe 's/([0-9]+)([a-zA-Z]+)/\1,\2/g'

or

perl -pe 's/([0-9]+)([a-zA-Z]+)/$1,$2/g'
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Thank you. It works perfectly!

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4.8 years ago
zjhzwang ▴ 180

In sed .\d and \w might not work,or maybe I don't know how to use.Try this:

sed  -e 's/\([0-9]\+\)\([a-zA-Z]\+\)/\1,\2/g'  FILE > OUTPUT
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4.8 years ago
j_susat ▴ 40

How about this one:

sed -r 's/([0-9])/&,/g' FILE > OUTPUT

it's basically the same as above but without the picket fence in the end.

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