patch.diff

diff --git a/src/bcdiceCore.rb b/src/bcdiceCore.rb
index 3aca1cd..dbbf41e 100755
--- a/src/bcdiceCore.rb
+++ b/src/bcdiceCore.rb
@@ -863,7 +863,7 @@ class BCDice
     string, _secret, _count, swapMarker = getD66Infos(dice)
     unless  string.nil?
       value = getD66ValueByMarker(swapMarker)
-      diceText = (value / 10).to_s + "," + (value % 10).to_s
+      diceText = value.div(10).to_s + "," + (value % 10).to_s
       return value, diceText
     end
 
diff --git a/src/diceBot/Cthulhu7th.rb b/src/diceBot/Cthulhu7th.rb
index 9eb77e8..0e12427 100644
--- a/src/diceBot/Cthulhu7th.rb
+++ b/src/diceBot/Cthulhu7th.rb
@@ -422,7 +422,7 @@ INFO_MESSAGE_TEXT
   end
 
   def getSetOfBullet(diff)
-    bullet_set_count = diff / 10
+    bullet_set_count = diff.div(10)
 
     if (diff >= 1) && (diff < 10)
       bullet_set_count = 1 # 技能値が9以下での最低値保障処理
@@ -432,7 +432,7 @@ INFO_MESSAGE_TEXT
   end
 
   def getHitBulletCountBase(diff, bullet_set_count)
-    hit_bullet_count_base = (bullet_set_count / 2)
+    hit_bullet_count_base = bullet_set_count.div(2)
 
     if (diff >= 1) && (diff < 10)
       hit_bullet_count_base = 1 # 技能値9以下での最低値保障
diff --git a/src/diceBot/Cthulhu7th_ChineseTraditional.rb b/src/diceBot/Cthulhu7th_ChineseTraditional.rb
index 33f6865..7d12d7a 100644
--- a/src/diceBot/Cthulhu7th_ChineseTraditional.rb
+++ b/src/diceBot/Cthulhu7th_ChineseTraditional.rb
@@ -344,7 +344,7 @@ INFO_MESSAGE_TEXT
   end
 
   def getSetOfBullet(diff)
-    bullet_set_count = diff / 10
+    bullet_set_count = diff.div(10)
 
     if (diff >= 1) && (diff < 10)
       bullet_set_count = 1 # 技能值９以下的最低限度保障處理
@@ -354,7 +354,7 @@ INFO_MESSAGE_TEXT
   end
 
   def getHitBulletCountBase(diff, bullet_set_count)
-    hit_bullet_count_base = (bullet_set_count / 2)
+    hit_bullet_count_base = bullet_set_count.div(2)
 
     if (diff >= 1) && (diff < 10)
       hit_bullet_count_base = 1 # 技能值９以下的最低限度保障處理
diff --git a/src/diceBot/Cthulhu7th_Korean.rb b/src/diceBot/Cthulhu7th_Korean.rb
index 5cfb984..c01cff3 100644
--- a/src/diceBot/Cthulhu7th_Korean.rb
+++ b/src/diceBot/Cthulhu7th_Korean.rb
@@ -340,7 +340,7 @@ INFO_MESSAGE_TEXT
   end
 
   def getSetOfBullet(diff)
-    bullet_set_count = diff / 10
+    bullet_set_count = diff.div(10)
 
     if (diff >= 1) && (diff < 10)
       bullet_set_count = 1 # 기능 수치가 9 이하일 때의 최저수치 보장 처리
@@ -350,7 +350,7 @@ INFO_MESSAGE_TEXT
   end
 
   def getHitBulletCountBase(diff, bullet_set_count)
-    hit_bullet_count_base = (bullet_set_count / 2)
+    hit_bullet_count_base = bullet_set_count.div(2)
 
     if (diff >= 1) && (diff < 10)
       hit_bullet_count_base = 1 # 기능 수치가 9 이하일 때의 최저수치 보장
diff --git a/src/diceBot/CthulhuTech.rb b/src/diceBot/CthulhuTech.rb
index ba83a8c..92b2bd4 100644
--- a/src/diceBot/CthulhuTech.rb
+++ b/src/diceBot/CthulhuTech.rb
@@ -36,7 +36,7 @@ INFO_MESSAGE_TEXT
   end
 
   def check_nD10_nomalTest(total_n, _dice_n, _signOfInequality, diff, dice_cnt, _dice_max, n1, _n_max)
-    if n1 >= (dice_cnt / 2 + 0.9).to_i
+    if n1 >= (dice_cnt.div(2) + 0.9).to_i
       return " ＞ ファンブル"
     end
 
diff --git a/src/diceBot/DiceBot.rb b/src/diceBot/DiceBot.rb
index a4b773d..4f7e7a5 100644
--- a/src/diceBot/DiceBot.rb
+++ b/src/diceBot/DiceBot.rb
@@ -472,13 +472,13 @@ class DiceBot
         item, value = get_table_by_d66(table)
         value = value.to_i
         output = item[1]
-        diceText = (value / 10).to_s + "," + (value % 10).to_s
+        diceText = value.div(10).to_s + "," + (value % 10).to_s
         [output, value, diceText]
       when 'D66S'
         table = getTableInfoFromExtraTableText(table, 21)
         output, value = get_table_by_d66_swap(table)
         value = value.to_i
-        diceText = (value / 10).to_s + "," + (value % 10).to_s
+        diceText = value.div(10).to_s + "," + (value % 10).to_s
         [output, value, diceText]
       else
         raise "invalid dice Type #{command}"
diff --git a/src/diceBot/Dracurouge.rb b/src/diceBot/Dracurouge.rb
index baee0b3..53243f1 100644
--- a/src/diceBot/Dracurouge.rb
+++ b/src/diceBot/Dracurouge.rb
@@ -85,7 +85,7 @@ MESSAGETEXT
     oneCount = countTargetDice(diceList, 1)
     sixCount = countTargetDice(diceList, 6)
 
-    gloryDiceCount = (oneCount / 2) + (sixCount / 2)
+    gloryDiceCount = oneCount.div(2) + sixCount.div(2)
     return gloryDiceCount
   end
 
diff --git a/src/diceBot/Dracurouge_Korean.rb b/src/diceBot/Dracurouge_Korean.rb
index 865164b..d982d8e 100644
--- a/src/diceBot/Dracurouge_Korean.rb
+++ b/src/diceBot/Dracurouge_Korean.rb
@@ -87,7 +87,7 @@ MESSAGETEXT
     oneCount = countTargetDice(diceList, 1)
     sixCount = countTargetDice(diceList, 6)
 
-    gloryDiceCount = (oneCount / 2) + (sixCount / 2)
+    gloryDiceCount = oneCount.div(2) + sixCount.div(2)
     return gloryDiceCount
   end
 
@@ -142,7 +142,7 @@ MESSAGETEXT
     type2 = %w{영주	근위	방랑	현자	사냥꾼	야수}
     type2_indexTexts = %w{F G R W J N}
 
-    tensValue = number.to_i / 10
+    tensValue = number.to_i.div(10)
     isBefore = (tensValue < 4)
     type = (isBefore ? type1 : type2)
     indexTexts = (isBefore ? type1_indexTexts : type2_indexTexts)
diff --git a/src/diceBot/EarthDawn3.rb b/src/diceBot/EarthDawn3.rb
index ee6f3e3..8e5f32c 100644
--- a/src/diceBot/EarthDawn3.rb
+++ b/src/diceBot/EarthDawn3.rb
@@ -145,7 +145,7 @@ INFO_MESSAGE_TEXT
 
     result = [  0, 0, 0, 0, 0, 0, 0]
 
-    loopCount = (overStep / stepRythm.size)
+    loopCount = overStep.div(stepRythm.size)
 
     loopCount.times do
       addStepToResult(result, baseStepInfo)
diff --git a/src/diceBot/EarthDawn4.rb b/src/diceBot/EarthDawn4.rb
index a1dcdb9..0433cb4 100644
--- a/src/diceBot/EarthDawn4.rb
+++ b/src/diceBot/EarthDawn4.rb
@@ -191,7 +191,7 @@ INFO_MESSAGE_TEXT
 
     result = [  0, 0, 0, 0, 0, 0, 0]
 
-    loopCount = (overStep / stepRythm.size)
+    loopCount = overStep.div(stepRythm.size)
 
     loopCount.times do
       addStepToResult(result, overBounusStep)
@@ -223,7 +223,7 @@ INFO_MESSAGE_TEXT
       return "失敗"
     end
 
-    level = (diff / 5) + 1
+    level = diff.div(5) + 1
 
     return "成功 レベル：#{level}"
   end
diff --git a/src/diceBot/EclipsePhase.rb b/src/diceBot/EclipsePhase.rb
index d0f9b31..b09d16a 100644
--- a/src/diceBot/EclipsePhase.rb
+++ b/src/diceBot/EclipsePhase.rb
@@ -23,7 +23,7 @@ INFO_MESSAGE_TEXT
     return '' unless signOfInequality == '<='
 
     diceValue = total_n % 100 # 出目00は100ではなく00とする
-    dice_ten_place = diceValue / 10
+    dice_ten_place = diceValue.div(10)
     dice_one_place = diceValue % 10
 
     debug("total_n", total_n)
diff --git a/src/diceBot/FilledWith.rb b/src/diceBot/FilledWith.rb
index 0c1b641..f96a41d 100644
--- a/src/diceBot/FilledWith.rb
+++ b/src/diceBot/FilledWith.rb
@@ -1512,7 +1512,7 @@ MESSAGETEXT
           '『白銀の猛将』ジェネラル(CL55/ネームド)1匹([命中]+4、あらゆる致傷力+20、[HP]+500)'
         ]],
       ]
-      case event / 100
+      case event.div(100)
       when 1
         areaText = "洞窟"
       when 2
diff --git a/src/diceBot/GardenOrder.rb b/src/diceBot/GardenOrder.rb
index 53e896a..edc8725 100644
--- a/src/diceBot/GardenOrder.rb
+++ b/src/diceBot/GardenOrder.rb
@@ -50,12 +50,12 @@ INFO_MESSAGE_TEXT
   def get_critical_border(critical_border_text, success_rate)
     return critical_border_text.to_i unless critical_border_text.nil?
 
-    critical_border = [success_rate / 5, 1].max
+    critical_border = [success_rate.div(5), 1].max
     return critical_border
   end
 
   def check_roll_repeat_attack(success_rate, repeat_count, critical_border)
-    success_rate_per_one = success_rate / repeat_count
+    success_rate_per_one = success_rate.div(repeat_count)
 
     check_roll(success_rate_per_one, critical_border)
   end
diff --git a/src/diceBot/GurpsFW.rb b/src/diceBot/GurpsFW.rb
index 2a1300c..23dca56 100644
--- a/src/diceBot/GurpsFW.rb
+++ b/src/diceBot/GurpsFW.rb
@@ -341,7 +341,7 @@ INFO_MESSAGE_TEXT
       tableName = "財宝テーブル"
       diff = Regexp.last_match(1)
       depth = Regexp.last_match(2).to_i
-      num = depth / 10
+      num = depth.div(10)
       if num >= 6
         num = 5
       end
diff --git a/src/diceBot/IthaWenUa.rb b/src/diceBot/IthaWenUa.rb
index 1dd4f10..22ead4a 100644
--- a/src/diceBot/IthaWenUa.rb
+++ b/src/diceBot/IthaWenUa.rb
@@ -23,7 +23,7 @@ MESSAGETEXT
     return '' unless signOfInequality == '<='
 
     diceValue = total_n % 100
-    dice0 = diceValue / 10 # 10の位を代入
+    dice0 = diceValue.div(10) # 10の位を代入
     dice1 = diceValue % 10 # 1の位を代入
 
     debug("total_n", total_n)
diff --git a/src/diceBot/KemonoNoMori.rb b/src/diceBot/KemonoNoMori.rb
index ab4b100..163a0bd 100644
--- a/src/diceBot/KemonoNoMori.rb
+++ b/src/diceBot/KemonoNoMori.rb
@@ -67,7 +67,7 @@ MESSAGETEXT
 
     # 行為判定の成功度は [目標値の10の位の数+1]
     # 継続判定の成功度は固定で+1
-    success_degree = is_action_judge ? target_total / 10 + 1 : 1
+    success_degree = is_action_judge ? target_total.div(10) + 1 : 1
 
     dice_total, = roll(1, 12)
     debug('dice_total, target_total, success_degree = ', dice_total, target_total, success_degree)
diff --git a/src/diceBot/LogHorizon.rb b/src/diceBot/LogHorizon.rb
index 70d1316..527ece4 100644
--- a/src/diceBot/LogHorizon.rb
+++ b/src/diceBot/LogHorizon.rb
@@ -476,7 +476,7 @@ MESSAGETEXT
   end
 
   def getTableByRank(rank, tables)
-    index = (rank - 1) / 5
+    index = (rank - 1).div(5)
 
     index = [0, index].max
     index = [index, (tables.size - 1)].min
diff --git a/src/diceBot/LogHorizon_Korean.rb b/src/diceBot/LogHorizon_Korean.rb
index 4ca1194..2a29e41 100644
--- a/src/diceBot/LogHorizon_Korean.rb
+++ b/src/diceBot/LogHorizon_Korean.rb
@@ -315,7 +315,7 @@ MESSAGETEXT
   end
 
   def getTableByRank(rank, tables)
-    index = (rank - 1) / 5
+    index = (rank - 1).div(5)
 
     index = [0, index].max
     index = [index, (tables.size - 1)].min
diff --git a/src/diceBot/NinjaSlayer.rb b/src/diceBot/NinjaSlayer.rb
index 6dddff8..4f55fdf 100644
--- a/src/diceBot/NinjaSlayer.rb
+++ b/src/diceBot/NinjaSlayer.rb
@@ -57,16 +57,16 @@ MESSAGETEXT
   # 難易度の値の正規表現
   DIFFICULTY_VALUE_RE = /UH|[2-6KENH]/i.freeze
   # 難易度の正規表現
-  DIFFICULTY_RE = /\[(#{DIFFICULTY_VALUE_RE})\]|@(#{DIFFICULTY_VALUE_RE})/io.freeze
+  DIFFICULTY_RE = /(?:\[(#{DIFFICULTY_VALUE_RE.source})\]|@(#{DIFFICULTY_VALUE_RE.source}))/io.freeze
 
   # 通常判定の正規表現
-  NJ_RE = /\A(S)?NJ(\d+)#{DIFFICULTY_RE}?\z/io.freeze
+  NJ_RE = /\A(S)?NJ(\d+)#{DIFFICULTY_RE.source}?\z/io.freeze
   # 回避判定の正規表現
-  EV_RE = %r{\AEV(\d+)#{DIFFICULTY_RE}?(?:/(\d+))?\z}io.freeze
+  EV_RE = %r{\AEV(\d+)#{DIFFICULTY_RE.source}?(?:/(\d+))?\z}io.freeze
   # 近接攻撃の正規表現
-  AT_RE = /\AAT(\d+)#{DIFFICULTY_RE}?\z/io.freeze
+  AT_RE = /\AAT(\d+)#{DIFFICULTY_RE.source}?\z/io.freeze
   # 電子戦の正規表現
-  EL_RE = /\AEL(\d+)#{DIFFICULTY_RE}?\z/io.freeze
+  EL_RE = /\AEL(\d+)#{DIFFICULTY_RE.source}?\z/io.freeze
 
   # バラバラロール結果の "(" の前までの先頭部分
   B_ROLL_RESULT_HEAD_RE = /\A[^(]+/.freeze
diff --git a/src/diceBot/Ryutama.rb b/src/diceBot/Ryutama.rb
index 590545e..6a9478c 100644
--- a/src/diceBot/Ryutama.rb
+++ b/src/diceBot/Ryutama.rb
@@ -84,14 +84,14 @@ INFO_MESSAGE_TEXT
 
     diceBase = dice1
 
-    dice1 = diceBase / 10
+    dice1 = diceBase.div(10)
     dice2 = diceBase % 10
 
     if isValidDice(dice1, dice2)
       return dice1, dice2
     end
 
-    dice1 = diceBase / 100
+    dice1 = diceBase.div(100)
     dice2 = diceBase % 100
 
     if isValidDice(dice1, dice2)
diff --git a/src/diceBot/SRS.rb b/src/diceBot/SRS.rb
index 744fe6c..7d8cbcb 100644
--- a/src/diceBot/SRS.rb
+++ b/src/diceBot/SRS.rb
@@ -72,15 +72,15 @@ HELP_MESSAGE
                      join('|')
 
       @aliases_re_for_srs_roll_with_target_value = Regexp.new(
-        '\A' \
+        '^' \
         "(?:#{aliases_part})" \
-        '((?:[-+][-+\d]+)?>=\d+(?:\[\d*(?:,\d+)?\])?)\z'
+        '((?:[-+][-+\d]+)?>=\d+(?:\[\d*(?:,\d+)?\])?)$'
       )
 
       @aliases_re_for_srs_roll_without_target_value = Regexp.new(
-        '\A' \
+        '^' \
         "(?:#{aliases_part})" \
-        '([-+][-+\d]+)?(\[\d*(?:,\d+)?\])?\z'
+        '([-+][-+\d]+)?(\[\d*(?:,\d+)?\])?$'
       )
 
       prepare_help_msg_for_aliases_for_srs_roll(aliases_upcase)
diff --git a/src/diceBot/ShinMegamiTenseiKakuseihen.rb b/src/diceBot/ShinMegamiTenseiKakuseihen.rb
index 479ed39..bce1448 100644
--- a/src/diceBot/ShinMegamiTenseiKakuseihen.rb
+++ b/src/diceBot/ShinMegamiTenseiKakuseihen.rb
@@ -51,7 +51,7 @@ INFO_MESSAGE_TEXT
 
     value %= 100
 
-    dice1 = value / 10
+    dice1 = value.div(10)
     dice2 = value % 10
 
     return [dice1, dice2]
diff --git a/src/diceBot/Skynauts.rb b/src/diceBot/Skynauts.rb
index d488f10..f32ee9c 100644
--- a/src/diceBot/Skynauts.rb
+++ b/src/diceBot/Skynauts.rb
@@ -97,7 +97,7 @@ MESSAGETEXT
     debug("移動修正", bonus)
 
     total, = roll(1, 6)
-    movePointBase = (total / 2) <= 0 ? 1 : (total / 2)
+    movePointBase = total.div(2) <= 0 ? 1 : total.div(2)
     movePoint = movePointBase + bonus
     debug("移動エリア数", movePoint)
 
diff --git a/src/diceBot/Warhammer.rb b/src/diceBot/Warhammer.rb
index c60aabc..6d93666 100644
--- a/src/diceBot/Warhammer.rb
+++ b/src/diceBot/Warhammer.rb
@@ -53,10 +53,10 @@ INFO_MESSAGE_TEXT
     return '' unless signOfInequality == "<="
 
     if total_n <= diff
-      return " ＞ 成功(成功度#{((diff - total_n) / 10)})"
+      return " ＞ 成功(成功度#{(diff - total_n).div(10)})"
     end
 
-    return " ＞ 失敗(失敗度#{((total_n - diff) / 10)})"
+    return " ＞ 失敗(失敗度#{(total_n - diff).div(10)})"
   end
 
   ####################            WHFRP関連          ########################
diff --git a/src/utils/ArithmeticEvaluator.rb b/src/utils/ArithmeticEvaluator.rb
index ad4cfa6..4876a07 100644
--- a/src/utils/ArithmeticEvaluator.rb
+++ b/src/utils/ArithmeticEvaluator.rb
@@ -71,7 +71,7 @@ class ArithmeticEvaluator
     when :roundOff
       return (left.to_f / right).round
     else
-      return left / right
+      return left.div(right)
     end
   end