How to validate an email id using javascript?
2101
How to validate an email address in JavaScript
110423
How to send email on custom button using Javascript
122042
Validate phone number with JavaScript
117951
Can I filter and sort email ids in notepad++ and other text editors?
70202
Sending emails with Javascript
64111
Is my JavaScript validating enough?
127232
TSQL Email Validation (without regex)
118643
Validating input using java.util.Scanner
113720
Not allowed to execute sendEmail() from custom function, but OK in script editor
42559
(Built-in) way in JavaScript to check if a string is a valid number
41311
To Check if Org-wide email is verified in APEX
150250
What is the maximum length of a valid email address?
26778
Email verification for new users
6174
How to check if an email address exists without sending an email?
100117
JavaScript regular expression (Page range validation)
27461
What are valid values for the id attribute in HTML?
135706
conditional form validation using jquery.validate.js plugin