Escaping RegExp string

Sometimes we need to match special RegExp characters such as ? and + in our string. We can conveniently use the function below.

RESETRUNFULL

<!DOCTYPE html><html><body><script>

function escapeRegex(string) {
    return string.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');}console.log(
          "C A++".match(new RegExp(escapeRegex("A+"))));// ["A+", index: 2, input: "C A++", groups: undefined]

</script></body><html>

<!DOCTYPE html><html><body><script>

function escapeRegex(string) {
    return string.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');}console.log(
          "C A++".match(new RegExp(escapeRegex("A+"))));// ["A+", index: 2, input: "C A++", groups: undefined]

</script></body><html>

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last update: 16 Jun 2024

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Escaping RegExp string