Package Exports

regexp-match-indices

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Readme

regexp-match-indices

This package provides a polyfill/shim for the RegExp Match Indices proposal.

The implementation is a replacement for RegExp.prototype.exec that approximates the beahvior of the proposal. Because RegExp.prototype.exec depends on a receiver (the this value), the main export accepts the RegExp to operate on as the first argument.

Installation

npm install regexp-match-indices

Usage

Standalone

const execWithIndices = require("regexp-match-indices");

const text = "zabbcdef";
const re = new RegExp("ab*(cd(?<Z>ef)?)");
const result = execWithIndices(re, text);
console.log(result.indices);    // [[1, 8], [4, 8], [6, 8]]

Shim

require("regexp-match-indices").shim();
// or
require("regexp-match-indices/shim")();
// or
require("regexp-match-indices/auto");

const text = "zabbcdef";
const re = new RegExp("ab*(cd(?<Z>ef)?)");
const result = re.exec(re, text);
console.log(result.indices);    // [[1, 8], [4, 8], [6, 8]]