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Mastering Regular Expressions Mastering Regular Expressions
As this book shows, a command of regular expressions is an invaluable skill. Regular expressions allow you to code complex and subtle text processing that you never imagined could be automated. Regular expressions can save you time and aggravation. They can be used to craft elegant solutions to a wide range of problems. Once you've mastered regular expressions, they'll become an invaluable part of your toolkit. You will wonder how you ever got by without them.

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Posted By

martinkas on 03/13/08


Tagged

regex phone us extension


Versions (?)


US Phone Number with extension, flexible

Published in: Regular Expression 

Plain TextExpand 
  1. ^((1|+1)?( |-|.)?)?((?[0-9]{3})?|[0-9]{3})( |-|.)?([a-zA-Z0-9]{3}( |-|.)?[a-zA-Z0-9]{4})[ ]*(( |x|ext|ext.|extension|Ext|Ext.|Extension|#){1}[ ]?([0-9]){1,7}){0,1}$

  2.  
  3. matched

  4. (223)456 7891 x 123

  5. (223)456 7891 ext 123

  6. (223)456 7891 ext. 123

  7. (223)456 7891 Ext 123

  8. (223)456 7891 Ext. 123

  9. (910)456-8970 x12

  10. (910)456-8970 #12

  11. (910)456-8970 extension12456

  12. (910)456-8970 Extension 12456

  13. 234.445.6789

  14. 987 765-8765

  15. 1 (453) 876 9876

  16. +1 (453) 876 9876

  17. (800)ABCDEFG

  18. (800) ABC-1234

  19.  
  20. not matched

  21. 2 (453) 876 9876

  22. (4534) 876 9876

  23. (453) 8764 9876

  24. (453) 876 98769

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