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Regular Expression Details

Title Test Find UK Landline including VOIP
Expression
^(02\d\s?\d{4}\s?\d{4})|((01|05)\d{2}\s?\d{3}\s?\d{4})|((01|05)\d{3}\s?\d{5,6})|((01|05)\d{4}\s?\d{4,5})$
Description
Based on the source listed below. I have added in the 05 prefix for allowing UK voip landlines. I dont know if the spacings are all ofcom approved like the original regex but the patterns it supports are: 029 99999999 or 029 9999 9999; 0199 9999999 or 0199 999 9999; 01999 99999; 01999 999999; 019999 9999; 019999 99999; 0599 9999999 or 0599 999 9999; 05999 99999; 05999 999999; 059999 9999; 059999 99999;
Matches
020 1234 5678 | 0123 4567890 | 01234 456789 | 05234 456789
Non-Matches
02476 123456 | 0845 123456 | 07712 345678 | 0800 100 2496
Author Rating: Not yet rated. Matthew Harris
Source http://www.regexlib.com/REDetails.aspx?regexp_id=982
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Existing User Comments

Title: More UK formats than that.
Name: Steve.
Date: 11/4/2011 5:40:13 AM
Comment:
Most UK telephone numbers can have either 9 or 10 digits after the 0 trunk prefix. The initial 0 is omitted when calling from abroad. 01 and 02 area codes should have parentheses around them if the local number part does not begin with a 0 or 1. 01 and 02 area codes do not have parentheses around them if the local number part begins with a 0 or 1. These are National Dialling Only ranges. All other area codes do not have parentheses around them as the area code is required for all calls. Number formats are expressed as: 2+8 to represent (02x) xxxx xxxx [in 5 areas] or 05x xxxx xxxx or 070 xxxx xxxx or 076 xxxx xxxx. 3+7 to represent (011x) xxx xxxx [in 6 areas] or (01x1) xxx xxxx [in 6 areas] or 03xx xxx xxxx or 08xx xxx xxxx or 0800 xxx xxxx or 09xx xxx xxxx. 3+6 to represent 0500 xxxxxx or 0800 xxxxxx. 4+6 to represent (01xxx) xxxxxx [in 580 areas] or 07xxx xxxxxx. 4+5 to represent (01xxx) xxxxx [in 41 areas]. 5+5 to represent (01xx xx) xxxxx [in 12 areas]. 5+4 to represent (01xx xx) xxxx [in 1 area]. Valid formats include: (011x) - 3+7. (01x1) - 3+7. (01xxx) - 4+6 or 4+5. (01xx xx) - 5+5 or 5+4. (02x) - 2+8. 03xx - 3+7. 05x - 2+8. 0500 - 3+6. 07xxx - 4+6. 070 - 2+8. 076 - 2+8. 08xx - 3+7. 0800 - 3+7 or 3+6. 09xx - 3+7. There are a small number of exceptions such as 0800 1111 and 0845 4647. The UK system is quite complex!


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