Python regex for special characters
The tough thing about learning data science is remembering all the syntax. While at Dataquest we advocate getting used to consulting the Python documentation, sometimes it’s nice to have a handy PDF reference, so we’ve put together this Python regular expressions (regex) cheat sheet to help you out! Show
This regex cheat sheet is based on Python 3’s documentation on regular expressions. If you’re interested in learning Python, we have free-to-start interactive Beginner and Intermediate Python programming courses you should check out. Regular Expressions for Data Science (PDF)Download the regex cheat sheet here Special Characters
Character Classes (a.k.a. Special Sequences)
Sets
Groups
Popular Python re Module Functions
Useful Regex Resources for Python:
Become a Data Analyst!Learn the skills you need to work as a data analyst today. Sign up for a free account and get access to free interactive Python, R, and SQL course content. How do you use special characters in regex Python?To match a character having special meaning in regex, you need to use a escape sequence prefix with a backslash ( \ ). E.g., \. matches "." ; regex \+ matches "+" ; and regex \( matches "(" . You also need to use regex \\ to match "\" (back-slash).
How do you check for special characters in a string in Python?Method: To check if a special character is present in a given string or not, firstly group all special characters as one set. Then using for loop and if statements check for special characters. If any special character is found then increment the value of c.
How do you treat special characters in Python?Escape sequences allow you to include special characters in strings. To do this, simply add a backslash ( \ ) before the character you want to escape.
How do you input special characters in Python?To insert characters that are illegal in a string, use an escape character. An escape character is a backslash \ followed by the character you want to insert.
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