This function searches a phrase for the position and length of expressions specified in a dictionary.
Text to search.
data.frame, the first column should contain expressions to find. These can be regular expressions or exact phrases.
extract_generic is used to extract entities that are
identified with an associated dictionary of phrases or regular expressions,
such as frequency or intake time in
medExtractR. This function
is called within
A numeric matrix with position and expression length.
1 2 3 4
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