Regex - Optional Capture Group

[wyatcall]

Current behavior

While using the Regular Expression mode, an optional capture group that does not capture will crash the client.

Expected behavior

To not crash the client

Environment

• string-is version: Unknown
• Share link: Unable to find

Steps to replicate:

• Put Hello(World)?$ in box 1. Paste or type a regex here to debug it 👇
• Put Hello in 3. Regular Expression matches 👇

Console output:
TypeError: Cannot read properties of undefined (reading 'toString')
at F ([[...converter]]-d7e…8f2b8a82c.js:1:2149)
at oo (framework-c7a52813f633e983.js:1:59417)
at Wo (framework-c7a52813f633e983.js:1:68984)
at Ku (framework-c7a52813f633e983.js:1:112708)
at Li (framework-c7a52813f633e983.js:1:98958)
at Ni (framework-c7a52813f633e983.js:1:98886)
at Pi (framework-c7a52813f633e983.js:1:98749)
at bi (framework-c7a52813f633e983.js:1:95715)
at framework-c7a52813f633e983.js:1:45209
at t.unstable_runWithPriority (framework-c7a52813f633e983.js:1:129355)
at Ql (framework-c7a52813f633e983.js:1:44986)
at Yl (framework-c7a52813f633e983.js:1:45154)
at Kl (framework-c7a52813f633e983.js:1:45089)
at framework-c7a52813f633e983.js:1:116405
at Fe (framework-c7a52813f633e983.js:1:116410)
at Ae (framework-c7a52813f633e983.js:1:15439)
Q @ main-2843674d9877a5ec.js:1
fn @ main-2843674d9877a5ec.js:1
value @ main-2843674d9877a5ec.js:1
a.componentDidCatch.n.callback @ framework-c7a52813f633e983.js:1
ha @ framework-c7a52813f633e983.js:1
gu @ framework-c7a52813f633e983.js:1
Ri @ framework-c7a52813f633e983.js:1
t.unstable_runWithPriority @ framework-c7a52813f633e983.js:1
Ql @ framework-c7a52813f633e983.js:1
Oi @ framework-c7a52813f633e983.js:1
bi @ framework-c7a52813f633e983.js:1
(anonymous) @ framework-c7a52813f633e983.js:1
t.unstable_runWithPriority @ framework-c7a52813f633e983.js:1
Ql @ framework-c7a52813f633e983.js:1
Yl @ framework-c7a52813f633e983.js:1
Kl @ framework-c7a52813f633e983.js:1
(anonymous) @ framework-c7a52813f633e983.js:1
Fe @ framework-c7a52813f633e983.js:1
Ae @ framework-c7a52813f633e983.js:1
(anonymous) @ framework-c7a52813f633e983.js:1
Fr @ framework-c7a52813f633e983.js:1
Jt @ framework-c7a52813f633e983.js:1
Zt @ framework-c7a52813f633e983.js:1
t.unstable_runWithPriority @ framework-c7a52813f633e983.js:1
Ql @ framework-c7a52813f633e983.js:1
Me @ framework-c7a52813f633e983.js:1
Xt @ framework-c7a52813f633e983.js:1