Rewrite (?:|xyz) and (?:xyz|) to (?:xyz)?.
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katef
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katef
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Sep 21, 2020
| return 1; | ||
| } | ||
|
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| if (n->u.alt.count == 2) { |
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@hvdijk points out that this would also apply for n > 2, which I hadn't thought of.
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This helps a little for rendering out to more natural regexp syntax.
For example: