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Regular Expression Alternative Example
Strings and Regular Expressions example from a Well House Consultants training course
More on Strings and Regular Expressions [link]
Source code: summatelse Module: R109
# Regular Expression Alternative Example
entries = [ "I live at SN12 6QL which is within Melksham Without", "Lorraine went on holiday to TR1 4TH last year", "There is no postcode in this line", %q@There is no bs4 6re postcode in this line@, %q"A pal of mine works at SW1A 1AA the other week", %q%I communte between SN12 6QL and SN12 7NY%, "And finally let's have tea at B1 1BB"] entries.each do |entry| got_it = entry =~ %r!([A-Z][A-Z]?)\d[0-9A-Z]?\s+\d[A-Z][A-Z]!i puts "\n#{entry}" if got_it then puts "We can find you - you are at #{$1.upcase}" else puts "Not got a clue!" end end __END__ Sample: WomanWithCat:kingston grahamellis$ ruby summatelse I live at SN12 6QL which is within Melksham Without We can find you - you are at SN Lorraine went on holiday to TR1 4TH last year We can find you - you are at TR There is no postcode in this line Not got a clue! There is no bs4 6re postcode in this line We can find you - you are at BS A pal of mine works at SW1A 1AA the other week We can find you - you are at SW I communte between SN12 6QL and SN12 7NY We can find you - you are at SN And finally let's have tea at B1 1BB We can find you - you are at B Learn about this subject
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