Run results for: regex vs filter 2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 Edg/120.0.0.0

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
regex	1532422.9 Ops/sec
filter	1291981.0 Ops/sec

Script Preparation code:

function removeCharFrom1(str, char) {
  const regex = new RegExp(`${char}`, "gi");
  return str.replace(regex, "");
}

function removeCharFrom2(str, char) {
  return str
    .split("")
    .filter((c) => c != char.toLowerCase() && c != char.toUpperCase())
    .join("");
}

Tests:

regex
removeCharFrom1("ElddzeroD WebDD ddSchool", "d");
filter
removeCharFrom2("ElddzeroD WebDD ddSchool", "d");