Issue type:

• 🐛 Bug

Short description:

Using regex groups while having a group inside another optional group errors in console and deletes the display panel its in

Steps to reproduce the problem:

1. regex = string(^..((.))?)
2. string = string(11)
3. failingOperator = regexGroups(regex, string)

Expected behaviour:

Not console erroring and deleting parts

Versions:

• This mod: 1.10.11
• Minecraft: 1.16.5
• Forge: 36.2.34

Log file:

latest.log: https://pastebin.com/izczHWv7

Thanks for reporting!