String Substitute

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)

Arguments

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)
# }