JavaScript RegExp ^ Quantifier

A global search for "Is" at the beginning of a string:

let text = "Is this his";
let pattern = /^Is/g;

Description

The ^n quantifier matches any string with n at the beginning of it.

Tip: Use the n$ quantifier to match any string with n at the END of it.

/^n/ is an ECMAScript1 (ES1) feature.

ES1 (JavaScript 1997) is fully supported in all browsers:


Chrome	Edge	Firefox	Safari	Opera	IE
Yes	Yes	Yes	Yes	Yes	Yes

new RegExp("^n")

or

/^n/

new RegExp("^n", "g")

or simply:

/\^n/g

A global, case-insensitive, multiline search for "is" at the beginning of each line:

let text = `Is this
all there
is`

let pattern = /^is/gmi;