VS
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VS
R.
R.
m
sed -ir 's/(^[А-Яа-я]{1,20})/first_name = \1/g' file.txtS
S
S
m
S

c
sed -ir 's/(^[А-Яа-я]{1,20})/first_name = \1/g' file.txtcat names.txt | sed -r 's/([[:alnum:]]*)\s([[:alnum:]]*)/"first_name" = "\1" "last_name" = "\2"/g'
"first_name" = "John" "last_name" = "Gold"
"first_name" = "Some" "last_name" = "Name"
m
R.
sed -ir 's/(^[А-Яа-я]{1,20})/first_name = \1/g' file.txtR.
cat names.txt | sed -r 's/([[:alnum:]]*)\s([[:alnum:]]*)/"first_name" = "\1" "last_name" = "\2"/g'
"first_name" = "John" "last_name" = "Gold"
"first_name" = "Some" "last_name" = "Name"
c
m
cat names.txt | sed -r 's/([[:alnum:]]*)\s([[:alnum:]]*)/"first_name" = "\1" "last_name" = "\2"/g'
"first_name" = "John" "last_name" = "Gold"
"first_name" = "Some" "last_name" = "Name"
R.
[[:alnum:]]* ?R.
c
c
R.