- Added Perl solution to Last Word task.

12 files changed, 971 insertions, 937 deletions

diff --git a/challenge-063/mohammad-anwar/perl/ch-1.pl b/challenge-063/mohammad-anwar/perl/ch-1.pl
new file mode 100644
index 0000000000..029c886685
--- /dev/null
+++ b/challenge-063/mohammad-anwar/perl/ch-1.pl
@@ -0,0 +1,19 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Test::More;
+
+is(last_word('  hello world',                qr/[ea]l/),      'hello');
+is(last_word("Don't match too much, Chet!",  qr/ch.t/i),      'Chet!');
+is(last_word("spaces in regexp won't match", qr/in re/),      undef);
+is(last_word( join(' ', 1..1e6),             qr/^(3.*?){3}/), '399933');
+
+done_testing;
+
+sub last_word {
+    my ($string, $regex) = @_;
+
+    return [ grep /$regex/, reverse ( split /\s/, $string ) ]->[0];
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 468862ebbf..6eabfcc81f 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,27 +1,42 @@
 {
    "subtitle" : {
-      "text" : "[Champions: 7] Last updated at 2020-06-01 16:27:09 GMT"
+      "text" : "[Champions: 8] Last updated at 2020-06-01 17:49:37 GMT"
    },
-   "tooltip" : {
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
-      "followPointer" : 1,
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
+   "title" : {
+      "text" : "Perl Weekly Challenge - 063"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "legend" : {
+      "enabled" : 0
    },
    "plotOptions" : {
       "series" : {
          "borderWidth" : 0,
          "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
+            "format" : "{point.y}",
+            "enabled" : 1
          }
       }
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 063"
+   "tooltip" : {
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
+      "followPointer" : 1
+   },
+   "xAxis" : {
+      "type" : "category"
    },
    "drilldown" : {
       "series" : [
          {
+            "name" : "Javier Luque",
             "id" : "Javier Luque",
             "data" : [
                [
@@ -36,11 +51,11 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Javier Luque"
+            ]
          },
          {
             "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -50,31 +65,39 @@
                   "Blog",
                   2
                ]
-            ],
-            "id" : "Luca Ferrari"
+            ]
+         },
+         {
+            "name" : "Mohammad S Anwar",
+            "id" : "Mohammad S Anwar",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ]
          },
          {
-            "name" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Niels van Dijke"
+            "id" : "Niels van Dijke",
+            "name" : "Niels van Dijke"
          },
          {
-            "id" : "Pete Houston",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
+            "id" : "Pete Houston",
             "name" : "Pete Houston"
          },
          {
-            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -85,33 +108,33 @@
                   2
                ]
             ],
-            "id" : "Roger Bell_West"
+            "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West"
          },
          {
             "name" : "Simon Proctor",
+            "id" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Simon Proctor"
+            ]
          },
          {
-            "id" : "Wanderdoc",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Wanderdoc"
+            "name" : "Wanderdoc",
+            "id" : "Wanderdoc"
          }
       ]
    },
    "series" : [
       {
-         "name" : "Perl Weekly Challenge - 063",
          "data" : [
             {
                "name" : "Javier Luque",
@@ -119,9 +142,14 @@
                "drilldown" : "Javier Luque"
             },
             {
-               "name" : "Luca Ferrari",
+               "drilldown" : "Luca Ferrari",
                "y" : 4,
-               "drilldown" : "Luca Ferrari"
+               "name" : "Luca Ferrari"
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Mohammad S Anwar",
+               "name" : "Mohammad S Anwar"
             },
             {
                "drilldown" : "Niels van Dijke",
@@ -129,41 +157,28 @@
                "name" : "Niels van Dijke"
             },
             {
-               "name" : "Pete Houston",
                "y" : 1,
-               "drilldown" : "Pete Houston"
+               "drilldown" : "Pete Houston",
+               "name" : "Pete Houston"
             },
             {
                "drilldown" : "Roger Bell_West",
-               "name" : "Roger Bell_West",
-               "y" : 4
+               "y" : 4,
+               "name" : "Roger Bell_West"
             },
             {
-               "name" : "Simon Proctor",
+               "drilldown" : "Simon Proctor",
                "y" : 2,
-               "drilldown" : "Simon Proctor"
+               "name" : "Simon Proctor"
             },
             {
-               "drilldown" : "Wanderdoc",
                "y" : 2,
+               "drilldown" : "Wanderdoc",
                "name" : "Wanderdoc"
             }
          ],
-         "colorByPoint" : 1
+         "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 063"
       }
-   ],
-   "xAxis" : {
-      "type" : "category"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "chart" : {
-      "type" : "column"
-   }
+   ]
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 51f9a95be5..b37ced6e2c 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,42 +1,12 @@
 {
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
-   },
-   "xAxis" : {
-      "labels" : {
-         "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
-         }
-      },
-      "type" : "category"
-   },
-   "chart" : {
-      "type" : "column"
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
    },
    "legend" : {
       "enabled" : "false"
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
-   },
    "series" : [
       {
-         "dataLabels" : {
-            "rotation" : -90,
-            "enabled" : "true",
-            "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
-            },
-            "y" : 10,
-            "format" : "{point.y:.0f}",
-            "color" : "#FFFFFF",
-            "align" : "right"
-         },
          "data" : [
             [
                "Blog",
@@ -44,20 +14,50 @@
             ],
             [
                "Perl",
-               2609
+               2610
             ],
             [
                "Raku",
                1649
             ]
          ],
+         "dataLabels" : {
+            "rotation" : -90,
+            "color" : "#FFFFFF",
+            "style" : {
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
+            },
+            "align" : "right",
+            "y" : 10,
+            "format" : "{point.y:.0f}",
+            "enabled" : "true"
+         },
          "name" : "Contributions"
       }
    ],
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
+         }
+      },
+      "type" : "category"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
    },
    "subtitle" : {
-      "text" : "Last updated at 2020-06-01 16:27:09 GMT"
+      "text" : "Last updated at 2020-06-01 17:49:37 GMT"
+   },
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 8a1f06fee0..cfebd8d644 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -4,170 +4,157 @@
          "text" : "Total Solutions"
       }
    },
-   "xAxis" : {
-      "type" : "category"
-   },
    "chart" : {
       "type" : "column"
    },
-   "legend" : {
-      "enabled" : "false"
-   },
    "title" : {
       "text" : "Perl Weekly Challenge Language"
    },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-06-01 17:49:37 GMT"
    },
    "series" : [
       {
-         "name" : "Perl Weekly Challenge Languages",
          "data" : [
             {
                "drilldown" : "001",
-               "name" : "#001",
-               "y" : 142
+               "y" : 142,
+               "name" : "#001"
             },
             {
+               "drilldown" : "002",
                "y" : 109,
-               "name" : "#002",
-               "drilldown" : "002"
+               "name" : "#002"
             },
             {
-               "name" : "#003",
                "y" : 71,
-               "drilldown" : "003"
+               "drilldown" : "003",
+               "name" : "#003"
             },
             {
-               "y" : 91,
                "name" : "#004",
-               "drilldown" : "004"
+               "drilldown" : "004",
+               "y" : 91
             },
             {
-               "drilldown" : "005",
+               "name" : "#005",
                "y" : 72,
-               "name" : "#005"
+               "drilldown" : "005"
             },
             {
-               "name" : "#006",
                "y" : 52,
-               "drilldown" : "006"
+               "drilldown" : "006",
+               "name" : "#006"
             },
             {
+               "name" : "#007",
                "drilldown" : "007",
-               "y" : 59,
-               "name" : "#007"
+               "y" : 59
             },
             {
                "name" : "#008",
-               "y" : 72,
-               "drilldown" : "008"
+               "drilldown" : "008",
+               "y" : 72
             },
             {
-               "name" : "#009",
+               "drilldown" : "009",
                "y" : 68,
-               "drilldown" : "009"
+               "name" : "#009"
             },
             {
-               "drilldown" : "010",
+               "name" : "#010",
                "y" : 60,
-               "name" : "#010"
+               "drilldown" : "010"
             },
             {
                "y" : 79,
-               "name" : "#011",
-               "drilldown" : "011"
+               "drilldown" : "011",
+               "name" : "#011"
             },
             {
-               "drilldown" : "012",
                "name" : "#012",
-               "y" : 83
+               "y" : 83,
+               "drilldown" : "012"
             },
             {
-               "y" : 76,
                "name" : "#013",
+               "y" : 76,
                "drilldown" : "013"
             },
             {
-               "y" : 96,
                "name" : "#014",
-               "drilldown" : "014"
+               "drilldown" : "014",
+               "y" : 96
             },
             {
                "name" : "#015",
-               "y" : 93,
-               "drilldown" : "015"
+               "drilldown" : "015",
+               "y" : 93
             },
             {
                "drilldown" : "016",
-               "name" : "#016",
-               "y" : 66
+               "y" : 66,
+               "name" : "#016"
             },
             {
-               "name" : "#017",
+               "drilldown" : "017",
                "y" : 79,
-               "drilldown" : "017"
+               "name" : "#017"
             },
             {
+               "y" : 76,
                "drilldown" : "018",
-               "name" : "#018",
-               "y" : 76
+               "name" : "#018"
             },
             {
-               "drilldown" : "019",
                "name" : "#019",
-               "y" : 97
+               "y" : 97,
+               "drilldown" : "019"
             },
             {
                "drilldown" : "020",
-               "name" : "#020",
-               "y" : 95
+               "y" : 95,
+               "name" : "#020"
             },
             {
-               "name" : "#021",
+               "drilldown" : "021",
                "y" : 67,
-               "drilldown" : "021"
+               "name" : "#021"
             },
             {
-               "y" : 63,
                "name" : "#022",
+               "y" : 63,
                "drilldown" : "022"
             },
             {
                "drilldown" : "023",
-               "name" : "#023",
-               "y" : 91
+               "y" : 91,
+               "name" : "#023"
             },
             {
+               "drilldown" : "024",
                "y" : 70,
-               "name" : "#024",
-               "drilldown" : "024"
+               "name" : "#024"
             },
             {
+               "y" : 55,
                "drilldown" : "025",
-               "name" : "#025",
-               "y" : 55
+               "name" : "#025"
             },
             {
-               "name" : "#026",
                "y" : 70,
-               "drilldown" : "026"
+               "drilldown" : "026",
+               "name" : "#026"
             },
             {
+               "drilldown" : "027",
                "y" : 58,
-               "name" : "#027",
-               "drilldown" : "027"
+               "name" : "#027"
             },
             {
-               "drilldown" : "028",
                "name" : "#028",
-               "y" : 78
+               "y" : 78,
+               "drilldown" : "028"
             },
             {
                "name" : "#029",
@@ -176,17 +163,17 @@
             },
             {
                "y" : 115,
-               "name" : "#030",
-               "drilldown" : "030"
+               "drilldown" : "030",
+               "name" : "#030"
             },
             {
-               "name" : "#031",
+               "drilldown" : "031",
                "y" : 87,
-               "drilldown" : "031"
+               "name" : "#031"
             },
             {
-               "drilldown" : "032",
                "name" : "#032",
+               "drilldown" : "032",
                "y" : 92
             },
             {
@@ -196,33 +183,33 @@
             },
             {
                "name" : "#034",
-               "y" : 62,
-               "drilldown" : "034"
+               "drilldown" : "034",
+               "y" : 62
             },
             {
-               "y" : 62,
                "name" : "#035",
-               "drilldown" : "035"
+               "drilldown" : "035",
+               "y" : 62
             },
             {
-               "drilldown" : "036",
+               "name" : "#036",
                "y" : 66,
-               "name" : "#036"
+               "drilldown" : "036"
             },
             {
+               "y" : 65,
                "drilldown" : "037",
-               "name" : "#037",
-               "y" : 65
+               "name" : "#037"
             },
             {
+               "y" : 65,
                "drilldown" : "038",
-               "name" : "#038",
-               "y" : 65
+               "name" : "#038"
             },
             {
-               "name" : "#039",
                "y" : 60,
-               "drilldown" : "039"
+               "drilldown" : "039",
+               "name" : "#039"
             },
             {
                "drilldown" : "040",
@@ -235,29 +222,29 @@
                "name" : "#041"
             },
             {
+               "name" : "#042",
                "drilldown" : "042",
-               "y" : 88,
-               "name" : "#042"
+               "y" : 88
             },
             {
-               "drilldown" : "043",
                "name" : "#043",
+               "drilldown" : "043",
                "y" : 66
             },
             {
-               "y" : 82,
                "name" : "#044",
+               "y" : 82,
                "drilldown" : "044"
             },
             {
                "y" : 94,
-               "name" : "#045",
-               "drilldown" : "045"
+               "drilldown" : "045",
+               "name" : "#045"
             },
             {
+               "name" : "#046",
                "drilldown" : "046",
-               "y" : 85,
-               "name" : "#046"
+               "y" : 85
             },
             {
                "drilldown" : "047",
@@ -265,24 +252,24 @@
                "name" : "#047"
             },
             {
-               "drilldown" : "048",
+               "name" : "#048",
                "y" : 106,
-               "name" : "#048"
+               "drilldown" : "048"
             },
             {
+               "drilldown" : "049",
                "y" : 85,
-               "name" : "#049",
-               "drilldown" : "049"
+               "name" : "#049"
             },
             {
-               "drilldown" : "050",
                "y" : 96,
+               "drilldown" : "050",
                "name" : "#050"
             },
             {
                "drilldown" : "051",
-               "name" : "#051",
-               "y" : 87
+               "y" : 87,
+               "name" : "#051"
             },
             {
                "name" : "#052",
@@ -290,69 +277,68 @@
                "drilldown" : "052"
             },
             {
-               "drilldown" : "053",
                "y" : 99,
+               "drilldown" : "053",
                "name" : "#053"
             },
             {
-               "drilldown" : "054",
                "name" : "#054",
+               "drilldown" : "054",
                "y" : 99
             },
             {
-               "name" : "#055",
                "y" : 86,
-               "drilldown" : "055"
+               "drilldown" : "055",
+               "name" : "#055"
             },
             {
-               "name" : "#056",
+               "drilldown" : "056",
                "y" : 93,
-               "drilldown" : "056"
+               "name" : "#056"
             },
             {
-               "y" : 78,
                "name" : "#057",
+               "y" : 78,
                "drilldown" : "057"
             },
             {
-               "name" : "#058",
+               "drilldown" : "058",
                "y" : 61,
-               "drilldown" : "058"
+               "name" : "#058"
             },
             {
                "drilldown" : "059",
-               "name" : "#059",
-               "y" : 82
+               "y" : 82,
+               "name" : "#059"
             },
             {
-               "drilldown" : "060",
                "name" : "#060",
-               "y" : 78
+               "y" : 78,
+               "drilldown" : "060"
             },
             {
-               "name" : "#061",
+               "drilldown" : "061",
                "y" : 78,
-               "drilldown" : "061"
+               "name" : "#061"
             },
             {
+               "name" : "#062",
                "drilldown" : "062",
-               "y" : 50,
-               "name" : "#062"
+               "y" : 50
             },
             {
+               "name" : "#063",
                "drilldown" : "063",
-               "y" : 20,
-               "name" : "#063"
+               "y" : 21
             }
          ],
+         "name" : "Perl Weekly Challenge Languages",
          "colorByPoint" : "true"
       }
    ],
    "drilldown" : {
       "series" : [
          {
-            "id" : "001",
-            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -366,7 +352,9 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "001",
+            "name" : "001"
          },
          {
             "data" : [
@@ -387,6 +375,8 @@
             "id" : "002"
          },
          {
+            "name" : "003",
+            "id" : "003",
             "data" : [
                [
                   "Perl",
@@ -400,11 +390,11 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "003",
-            "id" : "003"
+            ]
          },
          {
+            "id" : "004",
+            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -418,9 +408,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "004",
-            "id" : "004"
+            ]
          },
          {
             "data" : [
@@ -437,10 +425,12 @@
                   12
                ]
             ],
-            "name" : "005",
-            "id" : "005"
+            "id" : "005",
+            "name" : "005"
          },
          {
+            "id" : "006",
+            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -454,12 +444,11 @@
                   "Blog",
                   7
                ]
-            ],
-            "name" : "006",
-            "id" : "006"
+            ]
          },
          {
             "id" : "007",
+            "name" : "007",
             "data" : [
                [
                   "Perl",
@@ -473,10 +462,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "007"
+            ]
          },
          {
+            "name" : "008",
+            "id" : "008",
             "data" : [
                [
                   "Perl",
@@ -490,13 +480,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "008",
-            "id" : "008"
+            ]
          },
          {
-            "id" : "009",
-            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -510,9 +496,13 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "009",
+            "name" : "009"
          },
          {
+            "id" : "010",
+            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -526,9 +516,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "010",
-            "id" : "010"
+            ]
          },
          {
             "data" : [
@@ -545,11 +533,10 @@
                   10
                ]
             ],
-            "name" : "011",
-            "id" : "011"
+            "id" : "011",
+            "name" : "011"
          },
          {
-            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -564,10 +551,12 @@
                   11
                ]
             ],
-            "id" : "012"
+            "id" : "012",
+            "name" : "012"
          },
          {
             "id" : "013",
+            "name" : "013",
             "data" : [
                [
                   "Perl",
@@ -581,11 +570,9 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "013"
+            ]
          },
          {
-            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -600,11 +587,12 @@
                   15
                ]
             ],
-            "name" : "014"
+            "name" : "014",
+            "id" : "014"
          },
          {
-            "id" : "015",
             "name" : "015",
+            "id" : "015",
             "data" : [
                [
                   "Perl",
@@ -621,6 +609,8 @@
             ]
          },
          {
+            "id" : "016",
+            "name" : "016",
             "data" : [
                [
                   "Perl",
@@ -634,11 +624,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "016",
-            "id" : "016"
+            ]
          },
          {
+            "id" : "017",
+            "name" : "017",
             "data" : [
                [
                   "Perl",
@@ -652,11 +642,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "017",
-            "id" : "017"
+            ]
          },
          {
+            "name" : "018",
             "id" : "018",
             "data" : [
                [
@@ -671,8 +660,7 @@
                   "Blog",
                   14
                ]
-            ],
-            "name" : "018"
+            ]
          },
          {
             "data" : [
@@ -693,7 +681,6 @@
             "id" : "019"
          },
          {
-            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -708,11 +695,10 @@
                   13
                ]
             ],
-            "name" : "020"
+            "name" : "020",
+            "id" : "020"
          },
          {
-            "id" : "021",
-            "name" : "021",
             "data" : [
                [
                   "Perl",
@@ -726,10 +712,13 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "021",
+            "name" : "021"
          },
          {
             "id" : "022",
+            "name" : "022",
             "data" : [
                [
                   "Perl",
@@ -743,12 +732,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "022"
+            ]
          },
          {
-            "id" : "023",
-            "name" : "023",
             "data" : [
                [
                   "Perl",
@@ -762,7 +748,9 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "023",
+            "id" : "023"
          },
          {
             "data" : [
@@ -783,8 +771,6 @@
             "id" : "024"
          },
          {
-            "id" : "025",
-            "name" : "025",
             "data" : [
                [
                   "Perl",
@@ -798,7 +784,9 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "025",
+            "name" : "025"
          },
          {
             "data" : [
@@ -833,