how can i delete every word in a text file except a word?
minamon
I have a file with a bunch of info of street and WIFI(s).so i want to delete every word in the text file except ,password:********, and there is a lot of it and the word after password is variable/random word a line with the word that i want to keep/copy
1499904000,::13148748,password:20022003,:1481477952,:Saad Al Ssaoudy,:7942242}]}
barlop
step 1-
find-.*?(?=password:)(password.*?)(?=(,|\s))
replace with- \r\n\r\n$1\r\n\r\n
Some explanation- this part of the find, .*?(?=password:) matches up to a point where it can lookahead i.e. immediately to the right of the cursor, and see the word password: to the right of the cursor. Then you have this part of the find, (password.*?) it matches and captures the word password up to, what will be mentioned next. Then you have this part of the find (?=(,|\s)) which says lookahead i.e. to immediately to the right of the cursor, for a comma or some whitespace like a space or end of line. So when you look at (password.*?) The .*? part of it will go up to that point.
Say you have 
note that I ticked dot matches new line when doing that regex, as the pic on imgur shows. And notice in the pic above there are 4 passwords.
Running that find/replace, produces the following (image below)
Step 2
Then one only has to remove empty lines, in notepad++ one can do edit..line operations..remove empty lines
Any text editor with regex support is fine, e.g., Notepad++
Note- an earlier revision had a simpler regex that didn't deal sensibly with the string occurring multiple times(e.g. it would have just shown the last). This solution provides all the times the string occurs.
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