R legend pch mix of character and numeric

Question

Is it possible to use a mix of character and number as plotting symbols in R legend?

plot(x=c(2,4,8),y=c(5,4,2),pch=16)
points(x=c(3,5),y=c(2,4),pch=\"+\")
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Answer 1

I bumped to this issue several time, so I wrote a tiny function below. You can use to specify the pch value, e.g.

pch=c(15:17,s2n("|"))

String to Numeric