Python: String Prefix Character (u f r b)

String Prefix Char

a character may be prefixed to a string delimiter, to make the string of a particular type.

List of Prefix Chars

• u"abc" → means unicode string, in python 2. In python 3, all string are Unicode, the u prefex has no meaning.
• f"abc" → means f-String, where you can embed expression by {expr}.
• r"abc" → means Raw String. Escape Sequence is ignored.
• b"abc" → means Byte sequence.

Prefix Chars Are Case-Insensitive

Combine Prefix Characters

allowed:

• fr
• br

Order does not matter.