So I'm trying to validate an email address with the following rules: 1 to 64 characters (lowercase, uppercase, digits or .) plus @ plus another 1 to 64 characters (lowercase, uppercase, digits or .)
I tried with this
function validate(str) {
const regex = /([a-zA-Z0-9\.]){1,64}$@([a-zA-Z0-9\.]){1,64}$/;
return regex.test(str);
}
but it's not working. Any idea why?
You inserted the end of string anchor before the @
symbol and did not use the start of string anchor ^
. Also, remove the redundant capturing groups.
Use
regex = /^[a-zA-Z0-9.]{1,64}@[a-zA-Z0-9.]{1,64}$/
^ ^^
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