which characters may be used as the second character of an identifier, but not as the first character of an identifier?

Q

which characters may be used as the second character of an identifier, but not as the first character of an identifier?

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A

The digits 0 through 9 may not be used as the first character of an identifier but they may be used after the first character of an identifier.

2012-09-21, 1999👍, 0💬