A dataset contains rules that a subsequently applied to text string. Each
rule simplifes text using standard gsub
function. Order of rules in
dataset matters - first rules apply earlier
1 |
A dataframe with 4 variables
rule sequence, the less number the earlier applied
string to find (pattern in terms of gsub)
replacement
pattern search mode: if TRUE pattern is a string to be matched as is. Overrides all conflicting arguments
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