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#!/bin/bash
echo 'test=${test-value} ... more text' | sed 's/.*\(\${[^}]*}\).*/\1/'
echo 'test=${test-value} ... more text' | grep -oE '\${[^}]*}'

Success #stdin #stdout 0s 4568KB

stdin

Standard input is empty

stdout

${test-value}
${test-value}

https://ideone.com/z5iSZH

language:

Bash (bash 5.0.3)

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public

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