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R : Extract substring and numbers from a string in R
R Extract Numbers from Character String Vector (Examples) | gsub, regmatches, gregexpr & as.numeric
Extract numbers/numerical objects from sting in data.frame in R
Remove Numbers from Character String in R (Example) | Extract Only Letters from Alphanumeric Data
R : Using str_extract in R to extract a number before a substring with regex
How to extract string between other string and number in R?
Split Character String into Letters & Numbers in R (2 Examples) | gsub, strsplit & unlist Functions
substr & substring Functions in R (3 Examples) | Extract & Replace Certain Characters of String
R : extract a number in the middle or end of a string in R
R : Extract all numbers from a single string in R
R : how to extract the first number from each string in a vector in R?
Count Number of Words in Character String in R (Example) | How to Apply lengths & gregexpr Functions