Literal Characters and Metacharacters
This lesson is called Literal Characters and Metacharacters, part of the Data Cleaning with R course. This lesson is called Literal Characters and Metacharacters, part of the Data Cleaning with R course.
Transcript
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Your Turn
Write a regexp that can match tail, tool, tall, and toil
How can we match Jocelyn, Jocelin, and Joselyn but not Jozelyn using character sets?
a) Joscel[iy]n
b) Jo[sc^z]el[yi]n
c) Jo[sc]el[yi]n
Which of these regular expressions matches food at the beginning of a string?
a) ^food
b) food
c) $food
d) food^
Learn More
Gastón Sánchez has a nice book Handling Strings with R. Chapter 10 (Literal Characters) and Chapter 11 (Metacharacters) give an overview of these two concepts.
Have any questions? Put them below and we will help you out!
Course Content
32 Lessons
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Amal Dahounto • March 1, 2026
Hi When I right-click on the video to save it, I notice that the "save video as" link is disabled. How else can I download this cours videos? Thanks in advance for any help.