Creates a copy of the target column in which each string has the first occurence of the regex pattern replaced with the replacement substring.
h2o.sub(pattern, replacement, x, ignore.case = FALSE)
pattern | The pattern to replace. |
---|---|
replacement | The replacement pattern. |
x | The column on which to operate. |
ignore.case | Case sensitive or not |
# NOT RUN { library(h2o) h2o.init() string_to_sub <- as.h2o("r tutorial") sub_string <- h2o.sub("r ", "H2O ", string_to_sub) # }