C/C++ Incorrect highlighting for LL suffix

Describe the issue Only the first L is highlighted when the LL integer literal suffix is used

Which language seems to have the issue? C and C++

Are you using highlight or highlightAuto? I don’t know. I’ve just seen the issue on StackOverflow …

Sample Code to Reproduce

No code, but some questions where the issue occurs

• https://stackoverflow.com/questions/15575054/what-does-ll-mean
• https://stackoverflow.com/questions/33377358/integer-overflow-in-boolean-expressions/33377537#33377537
• https://stackoverflow.com/questions/65318714/expression-evaluation-in-32-bit-cpu

Screenshot:

Expected behavior Both Ls should be highlighted

Additional context

[phuclv90]

Sorry I haven’t looked at the source code of highlight.js yet, and currently I don’t have enough time to look through it. May be at the weekend

[joshgoebel]

Current rule, line 73 c-like:

begin: '(-?)\\b([\\d\']+(\\.[\\d\']*)?|\\.[\\d\']+)(u|U|l|L|ul|UL|f|F|b|B)'