How to Reliably Parse a String with a Decimal Point to a Double in C#?

Robustly Converting Decimal Strings to Doubles in C#

Directly converting strings with decimal points to doubles using double.Parse can be problematic due to regional settings. For example, if your system uses a comma (,) as the decimal separator (common in many European locales), parsing "3.5" might incorrectly result in 35.

To reliably parse decimal strings regardless of locale, utilize double.Parse with CultureInfo.InvariantCulture. This ensures consistent parsing using a culture that ignores regional formatting.

Here's how to perform a locale-independent conversion:

<code class="language-csharp">double parsedValue = double.Parse("3.5", CultureInfo.InvariantCulture);</code>

This code snippet correctly parses "3.5" as 3.5, even on systems with different decimal separators. This approach guarantees consistent results across various regional configurations.

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