In linux, regular expression subexpressions, marked via the enclosing [...] syntax, group parts of a regular expression together, so they can be swapped or just displayed in chuncks via sed, for example.
Answer
\(\)
Question
In linux, regular expression subexpressions, marked via the enclosing [...] syntax, group parts of a regular expression together, so they can be swapped or just displayed in chuncks via sed, for example.
Answer
?
Question
In linux, regular expression subexpressions, marked via the enclosing [...] syntax, group parts of a regular expression together, so they can be swapped or just displayed in chuncks via sed, for example.
Answer
\(\)
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8. Streams and sed -- The Stream Editor moving text around within lines. Consider, for example, the output of ls : say you want to automatically strip out only the size column-- sed can do this sort of editing if you use the special <span>\( \) notation to group parts of the regular expression together. Consider the following example: sed -e 's/\(<[^ ]*>\)\([ ]*\)\(<[^ ]*>\)/\3\2\1/g' Here sed is searching for the
Summary
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not learned
measured difficulty
37% [default]
last interval [days]
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