Validate Email Address Example
Validation Function
validateEmailAddress(): ValidatorFn {
return (c: FormControl): { [key: string]: boolean } | null => {
if (c.value) {
let regEx = new RegExp('^[a-zA-Z0-9-._]+@[a-zA-Z0-9-._]+(\.[a-zA-Z0-9-._]+)*\.(jobs|co.in|co.uk|aero' +
'|asia|biz|cat|com|coo|edu|gov|info|int|arts|firm|nom|rec|store|web|coop|post|xxx|mail|job|' +
'mil|mobi|museum|name|net|org|pro|tel|travel|ac|ad|ae|af|ag|ai|al|am|an|ao|aq|ar|as|at|au|aw|' +
'ax|az|ba|bb|bd|be|bf|bg|bh|bi|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co|' +
'cr|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|ec|ee|eg|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gg|gh|gi|' +
'gl|gm|gn|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|im|in|io|iq|ir|is|it|je|jm|jo|jp|ke' +
'|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|me|mg|mh|mk|ml|mm|mn|mo|' +
'mp|mq|mr|ms|mt|mu|mv|mw|mx|my|mz|na|nc|ne|nf|ng|ni|nl|no|np|nr|nu|nz|om|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|' +
'ps|pt|pw|py|qa|re|ro|rs|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sy|sz|tc|td|tf|tg|' +
'th|tj|tk|tl|tm|tn|to|tp|tr|tt|tv|tw|tz|ua|ug|uk|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|ye|yt|yu|' +
'za|zm|zw)$', 'i');
if (!regEx.test(c.value) || c.value.indexOf('.') === 0
|| c.value.indexOf('@') === 0 ||
c.value.indexOf('..') > -1 || c.value.indexOf('.@') > -1
|| c.value.indexOf('@.') > -1) {
return { 'email': true };
} else {
return null;
}
}
return null;
};
};