[R] substitution of the ASCII character "squared" AKA "^2" AKA (alt+0178) with a tractable one

[Rui Barradas]

P.S. : "\xb2" works but must be used with perl = TRUE.

# 'y' defined as above.
grep("\xb2", y, perl = TRUE)
gsub("\xb2", "HERE", y, perl = TRUE)

Rui Barradas


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