I'm trying to uncomment file content using sed but with regex (for example: [0-9]{1,5})
# one two 12
# three four 34
# five six 56
The following is working:
sed -e 's/# one two 12/one two 12/g' /file
However, what I would like is to use regex pattern to replace all matches without entering numbers but keep the numbers in the result.
Is the -i option for replacement in the respective file not necessary? I get to remove leading # by using the following:
sed -i "s/^# \(.*\)/\1/g" file
In order to uncomment only those commented lines that end on a sequence of at least one digit, I'd use it like this:
sed -i "s/^# \(.*[[:digit:]]\+$\)/\1/g" file
This solution requires commented lines to begin with one space character (right behind the #), but that should be easy to adjust if not applicable.