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#!/bin/bash
s='Hello word.'
echo "$s" | grep -Po 'Hello\s+\K\w+' | awk '{print "#"$0}'

Success #stdin #stdout 0s 23336KB

stdin

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Standard input is empty

stdout

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#word

https://ideone.com/urT7ku

language:

Bash (bash 5.0.3)

created:

visibility:

secret

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