shithub: kwa

ref: f01859c469dac3ed01d36a656cce03f0b63abae1
dir: /test/t.re1a/

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BEGIN { r1 = "[a-cg-j1-3]"
	r2 = "[^aeiou]"
}

$0 ~ r1	{ print $0 " matches /[a-cg-j1-3]/" }
$0 ~ r2	{ print $0 " matches /[^aeiou]/" }