How to understand ‘(\w)((?=\1\1\1)(\1))+’
Code:
echo "aaa ffffff 999999999" |grep -oP ‘(\w)((?=\1\1\1)(\1))+’
ffff
9999999
Why for six […]
Original post by whaha
Code:
echo "aaa ffffff 999999999" |grep -oP ‘(\w)((?=\1\1\1)(\1))+’
ffff
9999999
Why for six […]
Original post by whaha
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