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Characters.md

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Characters

> x <- "matt"

Length

Remember that x is actually a single element vector so doing length(x) will return 1. Use nchar instead:

> nchar(x)
[1] 4

Substring

> substr(x, 1, 2)
[1] "ma"

Find and replace

> gsub(" (Legacy)", "", "Standard (Legacy)", fixed = TRUE)
[1] "Standard"

The first argument - pattern is character string containing a regular expression (or character string for fixed = TRUE) to be matched in the given character vector.