test metodi

test metodi satrda regulyar ifoda bilan kamida bitta moslik bormi yoki yo'qmi tekshiradi. Agar mavjud bo'lsa - true, aks holda - false qaytaradi.

Sintaksis

javascriptregulyarIfoda.test(satr);

Misol

Satrda vaqt mavjudligini tekshiramiz:

javascriptlet str = '12:39';
let reg = /\d\d:\d\d/;

let res = reg.test(str);
console.log(res);

Kodni bajarish natijasi:

javascripttrue

Misol

Butun satrni regulyar ifoda bilan mosligini tekshiramiz:

javascriptlet str = '12:39';
let reg = /^\d\d:\d\d$/;

let res = reg.test(str);
console.log(res);

Kodni bajarish natijasi:

javascripttrue

Misol

Satr faqat raqamlardan tashkil topganligini tekshiramiz:

javascriptlet str = '123';
let reg = /^\d+$/;

let res = reg.test(str);
console.log(res);

Kodni bajarish natijasi:

javascripttrue

Shuningdek qarang