2.3 KiB
2.3 KiB
id | title | challengeType | forumTopicId | localeTitle |
---|---|---|---|---|
587d7db4367417b2b2512b93 | Find More Than the First Match | 1 | 301342 | Найдите больше, чем первый матч |
Description
let testStr = "Повторить, Повторить, Повторить";Чтобы искать или извлекать шаблон более одного раза, вы можете использовать флаг
let ourRegex = / Repeat /;
testStr.match (ourRegex);
// Возвращает ["Повторить"]
g
. пусть repeatRegex = / Repeat / g;
testStr.match (repeatRegex);
// Возвращает ["Повторить", "Повторить", "Повторить"]
Instructions
starRegex
, find and extract both "Twinkle"
words from the string twinkleStar
.
NoteYou can have multiple flags on your regex like
/search/gi
Tests
tests:
- text: Your regex <code>starRegex</code> should use the global flag <code>g</code>
testString: assert(starRegex.flags.match(/g/).length == 1);
- text: Your regex <code>starRegex</code> should use the case insensitive flag <code>i</code>
testString: assert(starRegex.flags.match(/i/).length == 1);
- text: Your match should match both occurrences of the word <code>"Twinkle"</code>
testString: assert(result.sort().join() == twinkleStar.match(/twinkle/gi).sort().join());
- text: Your match <code>result</code> should have two elements in it.
testString: assert(result.length == 2);
Challenge Seed
let twinkleStar = "Twinkle, twinkle, little star";
let starRegex = /change/; // Change this line
let result = twinkleStar; // Change this line
Solution
let twinkleStar = "Twinkle, twinkle, little star";
let starRegex = /twinkle/gi;
let result = twinkleStar.match(starRegex);