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Grep and neglect a specific string

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# 8  
Old 04-10-2018
Thanks for the explanation,
But it needs some changes as, I could send all the lines in the file, Some lines occur with the colon in between.

Code:
PASS=test1/worked:fail/withthe/test/:go-to-school/grab/some:get/the/hope/to/work:success LIB_WORK=/lets/hope/for/the/best TEST=come/home/with/hope:/if/you/reach/call/me:/dont/worry
RESULT=/I/hope/so/he/will/get/success PUBLISH=This/is/really:a/good/score:to/achieve

For this case, the proposed condition is failing,
Sorry for not representing this earlier, because, I didn't predict that my output will yield this patterns
# 9  
Old 04-11-2018
The following deletes a :something/hope/something that follows a PASS= at the beginning of the line.
Code:
sed -n 's#\(^PASS=[^ ]*\):[^: ]*/hope/[^: ]*#\1#p' file

The -n option suppresses the default print, the p modifier prints if a substitution was made.
The part that is captured between \( \) is restored by the \1.
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