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Regular Expressions for U.S. Phone Numbers
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| //Regular Expressions for U.S. Phone Numbers | |
| // | |
| //See http://en.wikipedia.org/wiki/North_American_Numbering_Plan | |
| // | |
| //Spaces, dashes, or periods are allowed as separators. | |
| //Extensions can be recognized by several strings: #, x, x., ext, ext., extension | |
| // | |
| //Area code: $1$2 | |
| //Exchange code: $3 | |
| //Station code: $4 | |
| //Extension / Extra characters: $5 | |
| // | |
| //Separators are not accepted within the $3$4$5 portion of a vanity number. | |
| // | |
| //Examples: | |
| // (540) 555-0123 ext.678 --> ($1$2) $3-$4 ext.$5 | |
| // 1-800-GOODFOOD --> 1-$1$2-$3$4$5 | |
| //10-digit phone number | |
| /^(?:\+?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})$/; | |
| //10-digit phone number, extension allowed | |
| /^(?:\+?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+))?$/; | |
| //7 or 10-digit phone number | |
| /^(?:(?:\+?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})$/; | |
| //7 or 10-digit phone number, extension allowed | |
| /^(?:(?:\+?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+))?$/; | |
| //10-digit phone number, vanity (alphanumeric) allowed | |
| /^(?:\+?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*)?([2-9a-z]1[02-9a-z]|[2-9a-z][02-9a-z]1|[2-9a-z][02-9a-z]{2})([0-9a-z]{4})$/; | |
| //10-digit phone number, vanity allowed, extra characters allowed at end | |
| /^(?:\+?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*)?([2-9a-z]1[02-9a-z]|[2-9a-z][02-9a-z]1|[2-9a-z][02-9a-z]{2})([0-9a-z]{4})([0-9a-z]*)$/; |
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