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#!/bin/bash
s="variable1=XXX, emotionType=sad, sentimentType=negative, emotionType=happy"
grep -o "emotionType=[^,]*" <<< "$s"

Success #stdin #stdout 0.01s 5536KB

stdin

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Standard input is empty

stdout

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emotionType=sad
emotionType=happy

https://ideone.com/dkaLSP

language:

Bash (bash 5.0.3)

created:

visibility:

secret

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