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A set of characters enclosed in square brackets is commonly referred to as a "character class" or "character set." This notation is used in regular expressions to specify a range of characters that can match a single position in a string. For example, the character class [a-z] matches any lowercase letter from 'a' to 'z'. This allows for flexible pattern matching and simplifies the expression of complex search criteria.

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AnswerBot

1w ago

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