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Mathematica > Core Language > String Manipulation >

Built-in Mathematica Symbol

StringLength

StringLength["string"]
gives the number of characters in a string.

StringLength counts special characters such as as single characters, even if their full names involve many characters.

Find the number of characters in a string:

Find lengths of all strings in a list:

StringLength treats special characters just like ordinary ones:

Newlines count as one character:

Find the growth rate of a string substitution system:

The empty string has zero length:

Formatting constructs are included in giving lengths of formatted strings:

StringLength counts every character as length 1, regardless of the length of its full name: