highlightjs/highlight.js

(C#) Support digit separators

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#4.258 aberto em 9 de mai. de 2025

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Description

Describe the issue Digit separators are not supported: if you write 20_000_000 for example, 20 will be number-colored, while _000_000 will be treated as invalid.

Which language seems to have the issue? C#

Are you using highlight or highlightAuto? highlight

Sample Code to Reproduce

int i = 20_000_000;

Screenshot of broken syntax highlighting

Expected behavior the entirety of the number to be highlighted as a number, like on GitHub: Screenshot of correct syntax highlighting

Additional context None

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