#!/bin/bash
s="DEFINE QLOCAL ('IIB.TESTQUEUE.MODULE') +
DESCR('Input queue for A to B') +
LIKE('MY.LOCALQ.TEMP') +
REPLACE"
grep -oP "(?:TOPIC|QLOCAL|QALIAS|SUB)\s*\('\K.*?(?='\))" <<< "$s"
IyEvYmluL2Jhc2gKcz0iREVGSU5FIFFMT0NBTCAoJ0lJQi5URVNUUVVFVUUuTU9EVUxFJykgKwpERVNDUignSW5wdXQgcXVldWUgZm9yIEEgdG8gQicpICsKTElLRSgnTVkuTE9DQUxRLlRFTVAnKSArClJFUExBQ0UiCmdyZXAgLW9QICIoPzpUT1BJQ3xRTE9DQUx8UUFMSUFTfFNVQilccypcKCdcSy4qPyg/PSdcKSkiIDw8PCAiJHMi