Returns true if the string contains only alphanumeric characters (a–z, A–Z, 0–9).
true
The string to check.
isAlphaNumeric("hello123") // => trueisAlphaNumeric("hello!") // => falseisAlphaNumeric("") // => false Copy
isAlphaNumeric("hello123") // => trueisAlphaNumeric("hello!") // => falseisAlphaNumeric("") // => false
Returns
trueif the string contains only alphanumeric characters (a–z, A–Z, 0–9).