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5.1.3 The Match-not-syntactic-class Operator (\Sclass)

This operator is similar to the match-syntactic-class operator except that it matches any character whose syntactic class is not represented by the specified character. `\Sclass' represents this operator. For example, `w' represents the syntactic class of word-constituent characters, so `\Sw' matches any character that is not word-constituent.


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