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These nodes all have stuff by kulua (showing 1-7 out of ~7?):

Node ID Writeup Created
11133249 Extract a string from the line 2021-05-29 08:16
11132976 executing perl command from a perl file 2021-05-24 17:14
11132932 Re^2: Search and replace 2021-05-23 15:39
11132924 Search and replace 2021-05-23 13:01
11132913 Re^2: To repeat each word in a line 2021-05-23 10:35
11132907 Re^2: To repeat each word in a line 2021-05-23 06:39
11132903 To repeat each word in a line 2021-05-23 04:30