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Last active August 29, 2015 14:23
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phone_nymbers.md

Phone Number Formats

Below is a comma seperated list of phone numbers customers in the UK have typed into a web form. There was no required format or validation on characters used. Write a script to parse the list and output the numbers as a UK phone numbers in the 3 common display formats:

  • 0141 496 0018
  • (0141) 496 0018
  • +44 141 496 0018

The expected otput form for different dialing codes is given at https://en.wikipedia.org/wiki/Telephone_numbers_in_the_United_Kingdom#Format

0844 481 6666, (01482) 327111, 01614452884, 01142660939, (01204) 522345, 01246504536, 0115 948 2000, 08444 060910, 016977 2255, +44(0)1332 419700, 07503676534, 03332009090, 03700 100123, 03442 411 653, 0300200 3701, +44(0)141 309 3000, +44 (0) 3300 555 723, +4415395 33666, +44 20 7123 4567, 0292 018 0018, 0247 688 768, 0207 946 0018, 0239 283 4093, 02392 834092, 02380 833000, 0238 083 3001,

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