Regex

Regex: Regular Expression

Regex are useful in many applications beyond data sceince.

# For example, Social Security Numbers(SSNs)

r"[0-9]{3}-[0-9]{2}-[0-9]{4}" # Regular Expression Syntax

# 3 of any digit, then a dash,
# then 2 of any digit, then a dash,
# then 4 of any digit

# result: '[0-9]{3}-[0-9]{2}-[0-9]{4}'

 

Basics Regex Syntax

https://ds100.org/course-notes/regex/regex.html#canonicalization-with-pandas-series-methods

 

Questions!

https://ds100.org/course-notes/regex/regex.html#canonicalization-with-pandas-series-methods

 

Convenient Regex