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

Solution 2572416

Submitted on 17 Jun 2020 by Oliver Warlow
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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))

b = 1×5 cell array {1×1 cell} {1×1 cell} {1×1 cell} {1×1 cell} {1×1 cell} b = 1×5 cell array {'508'} {1×1 cell} {1×1 cell} {1×1 cell} {1×1 cell} b = 1×5 cell array {'508'} {'508'} {1×1 cell} {1×1 cell} {1×1 cell} b = 1×5 cell array {'508'} {'508'} {'617'} {1×1 cell} {1×1 cell} b = 1×5 cell array {'508'} {'508'} {'617'} {'800'} {1×1 cell} b = 1×5 cell array {'508'} {'508'} {'617'} {'800'} {'704'} ans = 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))

b = 1×4 cell array {1×1 cell} {1×1 cell} {1×1 cell} {1×1 cell} b = 1×4 cell array {'212'} {1×1 cell} {1×1 cell} {1×1 cell} b = 1×4 cell array {'212'} {'888'} {1×1 cell} {1×1 cell} b = 1×4 cell array {'212'} {'888'} {'336'} {1×1 cell} b = 1×4 cell array {'212'} {'888'} {'336'} {'800'} ans = 1×4 cell array {'212'} {'336'} {'800'} {'888'}

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