id Email Address regularExpression \b[A-Za-z0-9._%-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,63}\b allowsBackreferences id Web Address regularExpression (?:[A-Za-z][A-Za-z0-9+.-]{1,120}:[A-Za-z0-9/](?:(?:[A-Za-z0-9$_.+!*,;/?:@&~=-])|%[A-Fa-f0-9]{2}){1,333}(?:#(?:[a-zA-Z0-9][a-zA-Z0-9$_.+!*,;/?:@&~=%-]{0,1000}))?) allowsBackreferences id Phone Number regularExpression (?:(?:\+?1\s*(?:[.-]\s*)?)?(?:\(\s*(?:[2-9]1[02-9]|[2-9][02-8]1|[2-9][02-8][02-9])\s*\)|(?:[2-9]1[02-9]|[2-9][02-8]1|[2-9][02-8][02-9]))\s*(?:[.-]\s*)?)?(?:[2-9]1[02-9]|[2-9][02-9]1|[2-9][02-9]{2})\s*(?:[.-]\s*)?(?:[0-9]{4})(?:\s*(?:#|x\.?|ext\.?|extension)\s*(?:\d+))? allowsBackreferences