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Alex Rivera
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What is an atomic group, ( (?>expr) ) and what is it used for? In https://www.regular-expressions.info/atomic.html , the only example is when expr is alternation, such as the regex a(?>bc|b)c matches abcc but not abc . Are there examples with expr not being alternation? Are atomic and non-capturing groups, ( (?:expr) ) the same thing?
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