shell - deleting only pattern from the lines of a file -

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i want delete pattern file using shell script. example, given:

blah blah (100%) blah blah

i want delete occurrences of pattern (100%), if appears more once on line, , on lines in file appear.

you can use sed

echo "blah (100%) blah (100%)" | sed 's/(100%)//g' blah  blah

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