The scanning operation upto(c) returns the position of … position. … [p. 163] The scanning operation many(c) returns the position … position. … [p. 163] The scanning operation any(c) succeeds if the … The value returned is one greater than the … [p. 165] The scanning operation find(s) returns the position … cursor position. … [p. 165] The scanning operation match(s) returns the cursor … current cursor position. … The operation fails if s is not an … For convenience, the expression -s is equivalent to … [p. 165] One of these is e1 & e2 …
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