質問編集履歴
1
追記
test
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File without changes
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test
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@@ -37,3 +37,47 @@
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37
37
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38
38
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39
39
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なので、①の部分を【半角or全角スペース】がある、または【テキストの頭】という条件にしたいのですが、その場合、前述の正規表現をどう変更すれば良いのでしょうか？？
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40
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+
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41
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+
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42
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+
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43
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【追記】
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44
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+
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45
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発生したエラー
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46
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+
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47
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```ここに言語を入力
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48
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+
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49
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Processing by CommentsController#create as JS
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50
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51
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Parameters: {"utf8"=>"✓", "authenticity_token"=>"f7WmhzeqykQ5m4PP0i+3FfiU6NMOVzPX98rL+hclJIqtp+Rc9em7OywPX9QWcQiARnMH2uWb4mLQHxU865EFcQ==", "comment"=>{"text"=>"#hash #hash1 #hash2 ", "user_id"=>"30"}, "commit"=>"投稿", "post_id"=>"62"}
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52
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+
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53
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User Load (0.3ms) SELECT `users`.* FROM `users` WHERE `users`.`id` = 30 ORDER BY `users`.`id` ASC LIMIT 1
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54
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+
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55
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Post Load (0.3ms) SELECT `posts`.* FROM `posts` WHERE `posts`.`id` = 62 LIMIT 1
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56
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57
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Game Load (0.3ms) SELECT `games`.* FROM `games` WHERE `games`.`id` = 5 LIMIT 1
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58
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59
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Completed 500 Internal Server Error in 58ms (ActiveRecord: 0.9ms)
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60
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+
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61
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+
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62
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63
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64
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65
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66
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67
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NoMethodError (undefined method `gsub' for [""]:Array):
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68
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69
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```
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70
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+
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71
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+
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72
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73
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メソッド
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74
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75
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```ここに言語を入力
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76
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77
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def extraction_hashtag(string)
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78
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+
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79
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string.scan(/(^|[ ])[#＃][^ ]+/).map{ |a| a.gsub(/[ ]/, "")}
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80
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+
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81
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end
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82
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+
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83
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```
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