JavaScript Regex Exact Match
var r = /^a$/
function matchExact(r, str) {
var match = str.match(r);
return match && str === match[0];
}
Krushn
var r = /^a$/
function matchExact(r, str) {
var match = str.match(r);
return match && str === match[0];
}// 1. Match indices for numbered group
const matchObj = /(a+)(b+)/d.exec('aaaabb');
console.log(matchObj);
/*
Output -
['aaaabb', 'aaaa', 'bb', index: 0, input: 'aaaabb', groups: undefined, indices: Array(3)]
*/
// then
matchObj.indices[1];
/*
Output -
[0, 4]
*/
// -------------------------
// 2. Match indices for named groups
const matchObj = /(?<as>a+)(?<bs>b+)/d.exec('aaaabb');
console.log(matchObj);
/*
Output -
['aaaabb', 'aaaa', 'bb', index: 0, input: 'aaaabb', groups: {as: 'aaaa', bs: 'bb'}, indices: Array(3)]
*/
// then
matchObj.indices.groups;
/*
Output -
{ as: [0,4], bs: [4,6] }
*/