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A comment on Ask HN: What's the most valuable thing you can learn in an hour?. Parent comment

Re:Ask HN: What's the most valuable thing you can learn in a... by sauravs on Wednesday November 20, 2019 @02:35AM (#21581847)
agree...regular expression is like magic to me
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Re:Ask HN: What's the most valuable thing you can learn in a... by maccard on Wednesday November 20, 2019 @07:06AM (#21583145)
I spent an hour learning the basics - wildcards, whitespace, escape symbols and Character ranges are enough for them to be useful.
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