From 6f1885c02e8b89930fb08d71ab43a181f6f73bfb Mon Sep 17 00:00:00 2001
From: oNguyenVanHoan <hoanki2212@gmail.com>
Date: Wed, 15 Nov 2017 14:02:21 +0700
Subject: [PATCH] Group 3

---
 Answer.md     |  27 +++++++++
 Homework_1.rb |   7 +++
 data.txt      | 150 ++++++++++++++++++++++++++++++++++++++++++++++++++
 result.txt    | 146 ++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 330 insertions(+)
 create mode 100644 Answer.md
 create mode 100644 Homework_1.rb
 create mode 100644 data.txt
 create mode 100644 result.txt

diff --git a/Answer.md b/Answer.md
new file mode 100644
index 0000000..7c115db
--- /dev/null
+++ b/Answer.md
@@ -0,0 +1,27 @@
+Homework 2: Write regex that match all words
+2.1 Have 5 characters
+2.2 Not start with a, b, e, k
+2.3 Second character is not g, m, k, b
+2.4 Fourth character is f
+2.5 End with e
+
+  [^abek][^gmkb]\wfe
+
+
+Homework 3: Write regex that match all words
+3.1 Start with c but the next char is not h
+3.2 End with te
+
+  c[^h]\w*te
+
+
+Homework 4: Write regex that match all words
+4.1 Have either sign or ect or sis
+4.2 Not end with xt, de, me
+
+  .*(sign|ect|sis).*(?<!xt|de|me)
+
+
+Homework 5: Write regex that match all words
+5.1 Do not have trac
+  ^((?!trac).)*$
diff --git a/Homework_1.rb b/Homework_1.rb
new file mode 100644
index 0000000..7b792be
--- /dev/null
+++ b/Homework_1.rb
@@ -0,0 +1,7 @@
+text=File.open("data.txt").read
+regex = /^\|\s*(\d*)?\s*\|\s*(.+)?\s*\|\s*\d*\s*\|\s*\d*-(\d*)?/
+File.write("result.txt", "")
+text.each_line do |line|
+  match_words = line.match(regex).to_a
+  File.write("result.txt", match_words[1] + "|" + match_words[2].gsub(/\s+$/,"") + "|" + match_words[3] + "\n", mode: "a") unless match_words.empty?
+end
diff --git a/data.txt b/data.txt
new file mode 100644
index 0000000..e07e559
--- /dev/null
+++ b/data.txt
@@ -0,0 +1,150 @@
++-----+------------------------------------+-------------+---------------------+------------+
+| id  | name                               | category_id | created_at          | updated_at |
++-----+------------------------------------+-------------+---------------------+------------+
+|   1 | C                                  |          11 | 2017-07-20 14:46:17 | NULL       |
+|   2 | C#                                 |          11 | 2017-07-20 14:46:17 | NULL       |
+|   3 | C++                                |          11 | 2017-07-20 14:46:17 | NULL       |
+|   4 | Clojure                            |          11 | 2017-07-20 14:46:17 | NULL       |
+|   5 | COBOL                              |          11 | 2017-07-20 14:46:17 | NULL       |
+|   6 | Dart                               |          11 | 2017-07-20 14:46:17 | NULL       |
+|   7 | Delphi                             |          11 | 2017-07-20 14:46:17 | NULL       |
+|   8 | Elixir                             |          11 | 2017-07-20 14:46:17 | NULL       |
+|   9 | Elm                                |          11 | 2017-07-20 14:46:17 | NULL       |
+|  10 | Erlang                             |          11 | 2017-07-20 14:46:17 | NULL       |
+|  11 | Hack                               |          11 | 2017-07-20 14:46:17 | NULL       |
+|  12 | Haskell                            |          11 | 2017-07-20 14:46:17 | NULL       |
+|  13 | Go                                 |          11 | 2017-07-20 14:46:17 | NULL       |
+|  14 | Java                               |          11 | 2017-07-20 14:46:17 | NULL       |
+|  15 | JavaScript                         |          11 | 2017-07-20 14:46:17 | NULL       |
+|  16 | Kotlin                             |          11 | 2017-07-20 14:46:17 | NULL       |
+|  17 | Lua                                |          11 | 2017-07-20 14:46:17 | NULL       |
+|  18 | Objective-C                        |          11 | 2017-07-20 14:46:17 | NULL       |
+|  19 | Perl                               |          11 | 2017-07-20 14:46:17 | NULL       |
+|  20 | PHP                                |          11 | 2017-07-20 14:46:17 | NULL       |
+|  21 | Python                             |          11 | 2017-07-20 14:46:17 | NULL       |
+|  22 | R                                  |          11 | 2017-07-20 14:46:17 | NULL       |
+|  23 | Ruby                               |          11 | 2017-07-20 14:46:17 | NULL       |
+|  24 | Rust                               |          11 | 2017-07-20 14:46:17 | NULL       |
+|  25 | Scala                              |          11 | 2017-07-20 14:46:17 | NULL       |
+|  26 | Swift                              |          11 | 2017-07-20 14:46:17 | NULL       |
+|  27 | TypeScript                         |          11 | 2017-07-20 14:46:17 | NULL       |
+|  28 | Visual Basic                       |          11 | 2017-07-20 14:46:17 | NULL       |
+|  29 | HTML                               |           7 | 2017-07-20 14:46:17 | NULL       |
+|  30 | CSS                                |           7 | 2017-07-20 14:46:17 | NULL       |
+|  31 | XML                                |           7 | 2017-07-20 14:46:17 | NULL       |
+|  32 | Android                            |           9 | 2017-07-20 14:46:17 | NULL       |
+|  33 | iOS                                |           9 | 2017-07-20 14:46:17 | NULL       |
+|  34 | MacOS                              |           9 | 2017-07-20 14:46:17 | NULL       |
+|  35 | UNIX/Linux                         |           9 | 2017-07-20 14:46:17 | NULL       |
+|  36 | Windows                            |           9 | 2017-07-20 14:46:17 | NULL       |
+|  37 | .net framework                     |           4 | 2017-07-20 14:46:17 | NULL       |
+|  38 | AngularJS                          |           4 | 2017-07-20 14:46:17 | NULL       |
+|  39 | CakePHP                            |           4 | 2017-07-20 14:46:17 | NULL       |
+|  40 | Cocos2d                            |           4 | 2017-07-20 14:46:17 | NULL       |
+|  41 | Django                             |           4 | 2017-07-20 14:46:17 | NULL       |
+|  42 | Hadoop                             |           4 | 2017-07-20 14:46:17 | NULL       |
+|  43 | Hanami                             |           4 | 2017-07-20 14:46:17 | NULL       |
+|  44 | jQuery                             |           4 | 2017-07-20 14:46:17 | NULL       |
+|  45 | Laravel                            |           4 | 2017-07-20 14:46:17 | NULL       |
+|  46 | Node.js                            |           4 | 2017-07-20 14:46:17 | NULL       |
+|  47 | Phalcon                            |           4 | 2017-07-20 14:46:17 | NULL       |
+|  48 | Phoenix                            |           4 | 2017-07-20 14:46:17 | NULL       |
+|  49 | Play                               |           4 | 2017-07-20 14:46:17 | NULL       |
+|  50 | Rails                              |           4 | 2017-07-20 14:46:17 | NULL       |
+|  51 | React.js                           |           4 | 2017-07-20 14:46:17 | NULL       |
+|  52 | RxJS                               |           4 | 2017-07-20 14:46:17 | NULL       |
+|  53 | Sails.js                           |           4 | 2017-07-20 14:46:17 | NULL       |
+|  54 | Sinatra                            |           4 | 2017-07-20 14:46:17 | NULL       |
+|  55 | Spring                             |           4 | 2017-07-20 14:46:17 | NULL       |
+|  56 | Struts                             |           4 | 2017-07-20 14:46:17 | NULL       |
+|  57 | Symfony                            |           4 | 2017-07-20 14:46:17 | NULL       |
+|  58 | Unity                              |           4 | 2017-07-20 14:46:17 | NULL       |
+|  59 | Vue.js                             |           4 | 2017-07-20 14:46:17 | NULL       |
+|  60 | web2py                             |           4 | 2017-07-20 14:46:17 | NULL       |
+|  61 | Wicket                             |           4 | 2017-07-20 14:46:17 | NULL       |
+|  62 | Xamarin                            |           4 | 2017-07-20 14:46:17 | NULL       |
+|  63 | Yii                                |           4 | 2017-07-20 14:46:17 | NULL       |
+|  64 | Zend Framework                     |           4 | 2017-07-20 14:46:17 | NULL       |
+|  65 | Apache                             |          14 | 2017-07-20 14:46:17 | NULL       |
+|  66 | IIS                                |          14 | 2017-07-20 14:46:17 | NULL       |
+|  67 | Jigsaw                             |          14 | 2017-07-20 14:46:17 | NULL       |
+|  68 | lighttpd                           |          14 | 2017-07-20 14:46:17 | NULL       |
+|  69 | Mongrel                            |          14 | 2017-07-20 14:46:17 | NULL       |
+|  70 | Nginx                              |          14 | 2017-07-20 14:46:17 | NULL       |
+|  71 | Passenger                          |          14 | 2017-07-20 14:46:17 | NULL       |
+|  72 | Puma                               |          14 | 2017-07-20 14:46:17 | NULL       |
+|  73 | Tomcat                             |          14 | 2017-07-20 14:46:17 | NULL       |
+|  74 | Unicorn                            |          14 | 2017-07-20 14:46:17 | NULL       |
+|  75 | Cassandra                          |          12 | 2017-07-20 14:46:17 | NULL       |
+|  76 | DB2                                |          12 | 2017-07-20 14:46:17 | NULL       |
+|  77 | DynamoDB                           |          12 | 2017-07-20 14:46:17 | NULL       |
+|  78 | HBase                              |          12 | 2017-07-20 14:46:17 | NULL       |
+|  79 | Memcached                          |          12 | 2017-07-20 14:46:17 | NULL       |
+|  80 | MongoDB                            |          12 | 2017-07-20 14:46:17 | NULL       |
+|  81 | MySQL                              |          12 | 2017-07-20 14:46:17 | NULL       |
+|  82 | Oracle                             |          12 | 2017-07-20 14:46:17 | NULL       |
+|  83 | PostgreSQL                         |          12 | 2017-07-20 14:46:17 | NULL       |
+|  84 | Redis                              |          12 | 2017-07-20 14:46:17 | NULL       |
+|  85 | SQL Server                         |          12 | 2017-07-20 14:46:17 | NULL       |
+|  86 | SQLite                             |          12 | 2017-07-20 14:46:17 | NULL       |
+|  87 | ElasticSearch                      |           5 | 2017-07-20 14:46:17 | NULL       |
+|  88 | Lucene                             |           5 | 2017-07-20 14:46:17 | NULL       |
+|  89 | Solr                               |           5 | 2017-07-20 14:46:17 | NULL       |
+|  90 | Amazon Web Services                |          10 | 2017-07-20 14:46:17 | NULL       |
+|  91 | Cloud Foundry                      |          10 | 2017-07-20 14:46:17 | NULL       |
+|  92 | Deis                               |          10 | 2017-07-20 14:46:17 | NULL       |
+|  93 | Docker                             |          10 | 2017-07-20 14:46:17 | NULL       |
+|  94 | Dokku                              |          10 | 2017-07-20 14:46:17 | NULL       |
+|  95 | Engine Yard                        |          10 | 2017-07-20 14:46:17 | NULL       |
+|  96 | Firebase                           |          10 | 2017-07-20 14:46:17 | NULL       |
+|  97 | Google Cloud Platform              |          10 | 2017-07-20 14:46:17 | NULL       |
+|  98 | Heroku                             |          10 | 2017-07-20 14:46:17 | NULL       |
+|  99 | IBM Bluemix                        |          10 | 2017-07-20 14:46:17 | NULL       |
+| 100 | Microsoft Azure                    |          10 | 2017-07-20 14:46:17 | NULL       |
+| 101 | On-premises                        |          10 | 2017-07-20 14:46:17 | NULL       |
+| 102 | OpenShift                          |          10 | 2017-07-20 14:46:17 | NULL       |
+| 103 | OpenStack                          |          10 | 2017-07-20 14:46:17 | NULL       |
+| 104 | Bash                               |          13 | 2017-07-20 14:46:17 | NULL       |
+| 105 | Emacs                              |          13 | 2017-07-20 14:46:17 | NULL       |
+| 106 | Git                                |          13 | 2017-07-20 14:46:17 | NULL       |
+| 107 | MS-DOS Shell                       |          13 | 2017-07-20 14:46:17 | NULL       |
+| 108 | Subversion                         |          13 | 2017-07-20 14:46:17 | NULL       |
+| 109 | Vim                                |          13 | 2017-07-20 14:46:17 | NULL       |
+| 110 | zsh                                |          13 | 2017-07-20 14:46:17 | NULL       |
+| 111 | CircleCI                           |           1 | 2017-07-20 14:46:17 | NULL       |
+| 112 | Jenkins                            |           1 | 2017-07-20 14:46:17 | NULL       |
+| 113 | TravisCI                           |           1 | 2017-07-20 14:46:17 | NULL       |
+| 114 | Ansible                            |           8 | 2017-07-20 14:46:17 | NULL       |
+| 115 | kubernetes                         |           8 | 2017-07-20 14:46:17 | NULL       |
+| 116 | monit                              |           8 | 2017-07-20 14:46:17 | NULL       |
+| 117 | nagios                             |           8 | 2017-07-20 14:46:17 | NULL       |
+| 118 | puppet                             |           8 | 2017-07-20 14:46:17 | NULL       |
+| 119 | zabbix                             |           8 | 2017-07-20 14:46:17 | NULL       |
+| 120 | Backup and Recovery                |           2 | 2017-07-20 14:46:17 | NULL       |
+| 121 | Data migration                     |           2 | 2017-07-20 14:46:17 | NULL       |
+| 122 | Database design and planning       |           2 | 2017-07-20 14:46:17 | NULL       |
+| 123 | Database installation and upgrade  |           2 | 2017-07-20 14:46:17 | NULL       |
+| 124 | Database redundancy                |           2 | 2017-07-20 14:46:17 | NULL       |
+| 125 | Database relocation                |           2 | 2017-07-20 14:46:17 | NULL       |
+| 126 | Performance tuning                 |           2 | 2017-07-20 14:46:17 | NULL       |
+| 127 | Security management                |           2 | 2017-07-20 14:46:17 | NULL       |
+| 128 | Storage management                 |           2 | 2017-07-20 14:46:17 | NULL       |
+| 129 | Routing and Switching              |           6 | 2017-07-20 14:46:17 | NULL       |
+| 130 | Security (Gateway, Firewall, etc)  |           6 | 2017-07-20 14:46:17 | NULL       |
+| 131 | Server and Storage Infrastructure  |           6 | 2017-07-20 14:46:17 | NULL       |
+| 132 | Server virtualization              |           6 | 2017-07-20 14:46:17 | NULL       |
+| 133 | Agriculture & Forestry/Wildlife    |           3 | 2017-07-20 14:46:17 | NULL       |
+| 134 | Business & Information             |           3 | 2017-07-20 14:46:17 | NULL       |
+| 135 | Construction/Utilities/Contracting |           3 | 2017-07-20 14:46:17 | NULL       |
+| 136 | Education                          |           3 | 2017-07-20 14:46:17 | NULL       |
+| 137 | Finance & Insurance                |           3 | 2017-07-20 14:46:17 | NULL       |
+| 138 | Food & Hospitality                 |           3 | 2017-07-20 14:46:17 | NULL       |
+| 139 | Gaming                             |           3 | 2017-07-20 14:46:17 | NULL       |
+| 140 | Health Services                    |           3 | 2017-07-20 14:46:17 | NULL       |
+| 141 | Motor Vehicle                      |           3 | 2017-07-20 14:46:17 | NULL       |
+| 142 | Natural Resources/Environmental    |           3 | 2017-07-20 14:46:17 | NULL       |
+| 143 | Personal Services                  |           3 | 2017-07-20 14:46:17 | NULL       |
+| 144 | Real Estate & Housing              |           3 | 2017-07-20 14:46:17 | NULL       |
+| 145 | Safety/Security & Legal            |           3 | 2017-07-20 14:46:17 | NULL       |
+| 146 | Transportation                     |           3 | 2017-07-20 14:46:17 | NULL       |
++-----+------------------------------------+-------------+---------------------+------------+
diff --git a/result.txt b/result.txt
new file mode 100644
index 0000000..468b49c
--- /dev/null
+++ b/result.txt
@@ -0,0 +1,146 @@
+1|C|07
+2|C#|07
+3|C++|07
+4|Clojure|07
+5|COBOL|07
+6|Dart|07
+7|Delphi|07
+8|Elixir|07
+9|Elm|07
+10|Erlang|07
+11|Hack|07
+12|Haskell|07
+13|Go|07
+14|Java|07
+15|JavaScript|07
+16|Kotlin|07
+17|Lua|07
+18|Objective-C|07
+19|Perl|07
+20|PHP|07
+21|Python|07
+22|R|07
+23|Ruby|07
+24|Rust|07
+25|Scala|07
+26|Swift|07
+27|TypeScript|07
+28|Visual Basic|07
+29|HTML|07
+30|CSS|07
+31|XML|07
+32|Android|07
+33|iOS|07
+34|MacOS|07
+35|UNIX/Linux|07
+36|Windows|07
+37|.net framework|07
+38|AngularJS|07
+39|CakePHP|07
+40|Cocos2d|07
+41|Django|07
+42|Hadoop|07
+43|Hanami|07
+44|jQuery|07
+45|Laravel|07
+46|Node.js|07
+47|Phalcon|07
+48|Phoenix|07
+49|Play|07
+50|Rails|07
+51|React.js|07
+52|RxJS|07
+53|Sails.js|07
+54|Sinatra|07
+55|Spring|07
+56|Struts|07
+57|Symfony|07
+58|Unity|07
+59|Vue.js|07
+60|web2py|07
+61|Wicket|07
+62|Xamarin|07
+63|Yii|07
+64|Zend Framework|07
+65|Apache|07
+66|IIS|07
+67|Jigsaw|07
+68|lighttpd|07
+69|Mongrel|07
+70|Nginx|07
+71|Passenger|07
+72|Puma|07
+73|Tomcat|07
+74|Unicorn|07
+75|Cassandra|07
+76|DB2|07
+77|DynamoDB|07
+78|HBase|07
+79|Memcached|07
+80|MongoDB|07
+81|MySQL|07
+82|Oracle|07
+83|PostgreSQL|07
+84|Redis|07
+85|SQL Server|07
+86|SQLite|07
+87|ElasticSearch|07
+88|Lucene|07
+89|Solr|07
+90|Amazon Web Services|07
+91|Cloud Foundry|07
+92|Deis|07
+93|Docker|07
+94|Dokku|07
+95|Engine Yard|07
+96|Firebase|07
+97|Google Cloud Platform|07
+98|Heroku|07
+99|IBM Bluemix|07
+100|Microsoft Azure|07
+101|On-premises|07
+102|OpenShift|07
+103|OpenStack|07
+104|Bash|07
+105|Emacs|07
+106|Git|07
+107|MS-DOS Shell|07
+108|Subversion|07
+109|Vim|07
+110|zsh|07
+111|CircleCI|07
+112|Jenkins|07
+113|TravisCI|07
+114|Ansible|07
+115|kubernetes|07
+116|monit|07
+117|nagios|07
+118|puppet|07
+119|zabbix|07
+120|Backup and Recovery|07
+121|Data migration|07
+122|Database design and planning|07
+123|Database installation and upgrade|07
+124|Database redundancy|07
+125|Database relocation|07
+126|Performance tuning|07
+127|Security management|07
+128|Storage management|07
+129|Routing and Switching|07
+130|Security (Gateway, Firewall, etc)|07
+131|Server and Storage Infrastructure|07
+132|Server virtualization|07
+133|Agriculture & Forestry/Wildlife|07
+134|Business & Information|07
+135|Construction/Utilities/Contracting|07
+136|Education|07
+137|Finance & Insurance|07
+138|Food & Hospitality|07
+139|Gaming|07
+140|Health Services|07
+141|Motor Vehicle|07
+142|Natural Resources/Environmental|07
+143|Personal Services|07
+144|Real Estate & Housing|07
+145|Safety/Security & Legal|07
+146|Transportation|07