Source code
Revision control
Copy as Markdown
Other Tools
const r = /(.)(?i:\1)/u;
const s = "\u{10400}\u{10428}";
for (let i = 0; i < 10; i++) {
if (!r.test(s)) throw new Error("Unicode backreference mismatch");
}
const r = /(.)(?i:\1)/u;
const s = "\u{10400}\u{10428}";
for (let i = 0; i < 10; i++) {
if (!r.test(s)) throw new Error("Unicode backreference mismatch");
}