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  1. stackoverflow.com
    https://stackoverflow.com/questions/11936339

    r - Replace specific characters within strings - Stack Overflow

  2. stackoverflow.com
    https://stackoverflow.com/questions/15897236

    r - Extract the first (or last) n characters of a string - Stack Overflow

  3. stackoverflow.com
    https://stackoverflow.com/questions/18509527

    r - First letter to upper case - Stack Overflow

  4. stackoverflow.com
    https://stackoverflow.com/questions/69309101

    r - Automatically adding letters of significance to a ggplot barplot ...

  5. stackoverflow.com
    https://stackoverflow.com/questions/7963898

    Extracting the last n characters from a string in R

  6. stackoverflow.com
    https://stackoverflow.com/questions/7723549

    r - Getting and removing the first character of a string - Stack …

  7. stackoverflow.com
    https://stackoverflow.com/questions/37239715

    r - Convert letters to numbers - Stack Overflow

  8. stackoverflow.com
    https://stackoverflow.com/questions/1439513

    Creating a sequential list of letters with R - Stack Overflow

  9. stackoverflow.com
    https://stackoverflow.com/questions/26318287

    What does 'r' mean before a Regex pattern? - Stack Overflow

  10. stackoverflow.com
    https://stackoverflow.com/questions/72424171

    design patterns - How to draw letter R with SVG - Stack Overflow