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Other References

CSSStyleDeclaration JS Conversion


JavaScript RegExp testi()


Örnek

"e" karakteri için bir dize arayın:

let text = "The best things in life are free"; let pattern = /e/;
let result = pattern.test(text);

Tanım ve Kullanım

test() yöntemi, bir dizedeki eşleşmeyi test eder.

Bir eşleşme bulursa true, aksi takdirde false döndürür.

Tarayıcı Desteği

test() bir ECMAScript1 (ES1) özelliğidir.

ES1 (JavaScript 1997) tüm tarayıcılarda tam olarak desteklenir:

Chrome IE Edge Firefox Safari Opera
Yes Yes Yes Yes Yes Yes


Sözdizimi

RegExpObject.test(string)

Parametre Değerleri

Parameter Description
string Required. The string to be searched

Geri dönüş değeri

Type Description
Boolean Returns true if it finds a match, otherwise false


Daha fazla örnek

Örnek

Genel bir arama yapın ve bir dizede "Merhaba" ve "W3Schools" için test yapın:

// The string:
let text = "Hello world!";

// Look for "Hello"
let pattern1 = /Hello/g;
let result1 = patt.test(text);

// Look for "W3Schools"
let pattern2 = /W3Schools/g;
let result2 = pattern2.test(text);

Normal İfade Arama Yöntemleri

JavaScript'te normal ifade metin araması farklı yöntemlerle yapılabilir.

Düzenli ifade olarak bir kalıpla , bunlar en yaygın yöntemlerdir:

ÖrnekAçıklama
text.match( desen )Dize yöntemi eşleşmesi()
metin.arama( desen )String yöntemi arama()
desen .exec(metin)RexExp yöntemi exec()
desen .test(metin)RegExp yöntemi testi()