var string = '[United States][Canada][India]';
var search = 'Canada';
if (string.indexOf('[' + search + ']') !== -1) {
// Whatever
}
Ответ 2
Просто расширьте методы String... в качестве бонуса я добавил нечувствительность к регистру
// Only line you really need
String.prototype.has = function(text) { return this.toLowerCase().indexOf("[" + text.toLowerCase() + "]") != -1; };
// As per your example
var Countries = " [United States] [Canada] [India] ";
// Check Spain
if (Countries.has("Spain")) {
alert("We got Paella!");
}
// Check Canada
if (Countries.has("Canada")) {
alert("We got canadian girls!");
}
// Check Malformed Canada
if (Countries.has("cAnAdA")) {
alert("We got insensitive cAnAdiAn girls!");
}
// This Check should be false, as it only matches part of a country
if (Countries.has("Ana")) {
alert("We got Ana, bad, bad!");
}