Cody

# Problem 91. Get the area codes from a list of phone numbers

Solution 1778954

Submitted on 9 Apr 2019 by Yingao Zhang
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### Test Suite

Test Status Code Input and Output
1   Pass
s = '508-647-7000, (508) 647-7001, 617-555-1212, 1-800-323-1234, 704 555-1212'; a = {'508','617','704','800'}; assert(isequal(refcn(s),a))

s = 1×5 cell array {'508-647-7000'} {'(508) 647-7001'} {'617-555-1212'} {'1-800-323-1234'} {'704 555-1212'} a = 1×4 cell array {'508'} {'617'} {'800'} {'704'} a = 508 617 800 704 a = 508 617 704 800 a = '508 617 704 800' a = 1×4 cell array {'508'} {'617'} {'704'} {'800'}

2   Pass
s = '212-657-0260; (888) 647-7001; 336 565-1212; +1-800-323-1234'; a = {'212','336','800','888'}; assert(isequal(refcn(s),a))

s = 1×4 cell array {'212-657-0260'} {'(888) 647-7001'} {'336 565-1212'} {'+1-800-323-1234'} a = 1×4 cell array {'212'} {'888'} {'336'} {'800'} a = 212 888 336 800 a = 212 336 800 888 a = '212 336 800 888' a = 1×4 cell array {'212'} {'336'} {'800'} {'888'}