var access_log = ""; const handler = {
get: function(obj, prop) {
access_log += prop + ","; return prop in obj ? obj[prop] : "<filled by proxy>";
}
};
class ProxiedGroupRegExp extends RegExp {
exec(s) { var result = super.exec(s); if (result) {
result.groups = new Proxy(result.groups, handler);
} return result;
}
}
let re = new ProxiedGroupRegExp("(?<x>.)");
assertEq("a".replace(re, "$<x> $<y>"), "a <filled by proxy>");
assertEq(access_log, "x,y,")
Messung V0.5 in Prozent
[zur Elbe Produktseite wechseln0.12QuellennavigatorsAnalyse erneut starten2026-08-26]