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a|b|cThree-way alternation: a|b|cAlternationFormal RE✨ Emoji Combos

Alternation is associative: (a|b)|c = a|(b|c). You can chain any number of alternatives.

✓ Accepts

abc

✗ Rejects

εabdac

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Regular Expression Pattern

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Annotation

Unable to parse pattern

Active Flags:

gglobal: Don't return after first match

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