I created a JavaScript function to validate if a password is alphanumeric. However, I am facing an issue where the alert message is not being displayed when the password is not alphanumeric. Below is my code snippet:
if (!input_string.match(/^[0-9a-z]+$/)) {
alert("Please enter an alphanumeric password.");
}
Ensure your input_string is accurate by using console.log() to verify, then store your regular expression in a variable and utilize the test() method.
let alphanumericRegex = /^[0-9a-z]+$/;
if (!alphanumericRegex.test(input_string)) {
alert("Please make sure to enter an alphanumeric password");
}
Visit this link for more information on using RegExp test method
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