String literal definition

To define a string where escape sequences are not processed, allowing direct inclusion of backslashes.

Specifying Windows file paths, writing regex patterns, or any context requiring literal backslashes.

Python scripts dealing with file systems, text processing, or regex libraries.

r"raw_content"

r"..."

string_content: str (raw content, backslashes treated literally)

• os.path.join
• pathlib.Path
• re.compile

• Using double backslashes in regular strings
• or using forward slashes.

Forgetting the r prefix leading to unintended escape sequences; using raw strings when actual escape sequences like newline are needed.

Regular string literals (e.g., "C:\\Users\\Name") vs raw strings; raw bytes literals (rb"...")

Coming from languages where backslashes are literal (e.g., Bash) you may overuse the r prefix; coming from languages where backslashes are escape (e.g., C, Java) you may forget to double them in regular strings.

• String literals
• f‑strings
• byte literals

Raw strings cannot end with an odd number of backslashes, and the closing quote cannot be escaped. They are not suitable for strings that need escape sequences such as newline or tab.

Improves readability and reduces errors when dealing with paths or regex by avoiding excessive escaping.

Think 'raw' as 'take it as-is', like a raw file path.

Raw strings cannot end with an odd number of backslashes, and the closing quote cannot be escaped; to include a trailing backslash double it or use a regular string instead.

Using pathlib.Path for cross‑platform path handling