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# Python String | isdecimal method

schedule Aug 11, 2023
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Python's `String.isdecimal()` method returns a boolean indicating whether all characters in a string are decimal characters.

NOTE

A decimal character includes Unicode characters having numeric value property with property value Numeric_Type=Decimal. Superscript, subscripts, roman numerals, currency numerators and fractions are not decimal characters.

# Parameters

`String.isdecimal()` method does not take any parameters.

# Return Value

A single `boolean` indicating whether or not all the characters in a string are decimal characters.

# Examples

## Basic usage

``` a = '123'print(a.isdecimal())b = '123A'print(b.isdecimal())#c = '²123'c = '\u00B123'print(c.isdecimal())#d = '½'d = '\u00BD'print(d.isdecimal()) TrueFalseFalseFalse ```
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