How to Parse Exponential Notation Strings into Decimal in C#?

Parsing Exponential Notation into Decimal

In certain scenarios, it may be necessary to convert a string representing a number in exponential notation (e.g., "1.2345E-02") into a decimal data type. However, attempting to parse such a string using Decimal.Parse("1.2345E-02") results in an error.

The reason for this error is that exponential notation values are inherently floating-point numbers, not decimals. To successfully parse an exponential notation string into a decimal, it is essential to specify the NumberStyles.Float option during the parsing process.

Here's how it's done:

decimal d = Decimal.Parse("1.2345E-02", System.Globalization.NumberStyles.Float);

By specifying NumberStyles.Float, the parser understands that the input string represents a floating-point number and interprets it accordingly. This allows the string to be accurately converted into a decimal data type, enabling further processing or calculations.

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