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Asked: 2026-06-14T02:36:02+00:00

I would like to parse strings like 1 or 32.23 into integers and doubles.

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I would like to parse strings like 1 or 32.23 into integers and doubles. How can I do this with Dart?

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  1. Editorial Team

    You can parse a string into an integer with int.parse(). For example:

    var myInt = int.parse('12345');
assert(myInt is int);
print(myInt); // 12345

    Note that int.parse() accepts 0x prefixed strings. Otherwise the input is treated as base-10.

    You can parse a string into a double with double.parse(). For example:

    var myDouble = double.parse('123.45');
assert(myDouble is double);
print(myDouble); // 123.45

    parse() will throw FormatException if it cannot parse the input.

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