arrays - Ruby 按每个字符串中的时间值对字符串数组进行排序

Question

我有一个这样的字符串数组:

strings = [
 "ANT 107 90  Intro to Envrmntl Archaeology   CMWL 101  TTH    01:00PM-02:15PM  Markin       2/15        0      4.00",
 "AMS 210 10  Intro to American Lit II        SMTH 222  TTH    11:30AM-12:45PM  DeProspo,R   0/25        0      4.00",
 "AMS 210 11  Intro to American Lit II        SMTH 222  TTH    01:00PM-02:15PM  DeProspo,R   1/25        0      4.00",
 "AMS 300 10  Toni Morrison                   DALY 107  TTH    10:00AM-11:15AM  Knight      12/20        0      4.00",
 "AMS 394 11  SpTp: Public Opinion Amer Pol   DALY 107  TTH    02:30PM-03:45PM  Cossette     5/16        0      4.00",
 "ANT 105 10  Introduction to Anthropology    CMWL 210  TTH    11:30AM-12:45PM  Lampman      1/25        1      4.00",
 "ANT 107 10  Intro to Envrmntl Archaeology   CMWL 101  TTH    11:30AM-12:45PM  Markin       2/25        0      4.00",
 "ANT 107 90  Intro to Envrmntl Archaeology   CMWL 101  TTH    01:00PM-02:15PM  Markin       2/15        0      4.00",
 "ANT 294 10  SpTp: Queer Anthropology        CMWL 210  TTH    01:00PM-02:15PM  Neely        0/12        1      4.00",
 "ANT 300 10  Language and Culture            CMWL 101  TTH    02:30PM-03:45PM  Neely        1/18        0      4.00",
 "ANT 320 10  Race and Ethnicity              CMWL 101  TTH    10:00AM-11:15AM  Lampman     -4/16        2      4.00",
 "ANT 104 10  Intro to World Music & Ethno    GCA  204  TTH    10:00AM-11:15AM  McCollum, J  0/25        0      4.00",
 "ANT 105 10  Introduction to Anthropology    CMWL 210  TTH    11:30AM-12:45PM  Lampman      1/25        1      4.00",
 "ANT 294 10  SpTp: Queer Anthropology        CMWL 210  TTH    01:00PM-02:15PM  Neely        0/12        1      4.00",
 "ANT 300 10  Language and Culture            CMWL 101  TTH    02:30PM-03:45PM  Neely        1/18        0      4.00",
 "ANT 320 10  Race and Ethnicity              CMWL 101  TTH    10:00AM-11:15AM  Lampman     -4/16        2      4.00",
 "ANT 104 10  Intro to World Music & Ethno    GCA  204  TTH    10:00AM-11:15AM  McCollum, J  0/25        0      4.00",
 "ANT 105 10  Introduction to Anthropology    CMWL 210  TTH    11:30AM-12:45PM  Lampman      1/25        1      4.00",
 "ANT 300 10  Language and Culture            CMWL 101  TTH    02:30PM-03:45PM  Neely        1/18        0      4.00",
 "ANT 320 10  Race and Ethnicity              CMWL 101  TTH    10:00AM-11:15AM  Lampman     -4/16        2      4.00",
 "ANT 104 10  Intro to World Music & Ethno    GCA  204  TTH    10:00AM-11:15AM  McCollum, J  0/25        0      4.00",
 "AMS 210 10  Intro to American Lit II        SMTH 222  TTH    11:30AM-12:45PM  DeProspo,R   0/25        0      4.00",
 "AMS 210 11  Intro to American Lit II        SMTH 222  TTH    01:00PM-02:15PM  DeProspo,R   1/25        0      4.00",
 "AMS 300 10  Toni Morrison                   DALY 107  TTH    10:00AM-11:15AM  Knight      12/20        0      4.00",
 "AMS 394 11  SpTp: Public Opinion Amer Pol   DALY 107  TTH    02:30PM-03:45PM  Cossette     5/16        0      4.00",
 "ANT 104 10  Intro to World Music & Ethno    GCA  204  TTH    10:00AM-11:15AM  McCollum, J  0/25        0      4.00",
 "ANT 294 10  SpTp: Queer Anthropology        CMWL 210  TTH    01:00PM-02:15PM  Neely        0/12        1      4.00",
 "AMS 300 10  Toni Morrison                   DALY 107  TTH    10:00AM-11:15AM  Knight      12/20        0      4.00",
]

我想按开始时间对这个数组进行排序，对于 ANT 107 90 Intro to Envrmntl Archaeology，第一个值为 01:00PM。有什么直接的方法可以做到这一点吗？

Answer 1

这是使用 DateTime 的另一种选择:

require 'date'

strings.sort_by! do |item|
  time = item.scan(/(\d{2}:\d{2}(PM|AM))/)
  DateTime.parse(time.first.first).to_time.to_i
end

puts strings