Require word roll or flip in chat

dice.js

@@ -1,3 +1,4 @@
+const rollRegex = () => /\b(roll|flip)\b/i
 const diceRegex = () => /\b(\d*)[dD](\d+)\b(?:\s?([+-])\s?(\d+))?/g
 const rerollRegex = () => /\b(reroll|re-roll)\s+((?:(?:\S*|\d+s|\d+'s|\d+)\s*)+)/
 const numberRegex = () => /\b(one|two|three|four|five|six|seven|eight|nine|ten|ones|twos|threes|fours|fives|sixes|sevens|eights|nines|tens|one's|two's|three's|four's|five's|seven's|eight's|nine's|ten's|\d+)\b/gi
@@ -48,7 +49,7 @@ const d10 = {
   bonusText: (x) => {
     const {percent = false, values = []} = x || {}
 
-    if (values.length === 2 && !percent) return '_Did you mean "percentile"?_'
+    if (values.length === 2 && !percent) return '_Did you mean "roll percentile"?_'
   }
 }
 
@@ -182,6 +183,8 @@ class Dice {
 }
 
 Dice.parse = (str, opts) => {
+  const rRegex = rollRegex()
+  const roll = rRegex.exec(str)
   const rrRegex = rerollRegex()
   const rerolls = []
   const reroll = rrRegex.exec(str)
@@ -254,13 +257,16 @@ Dice.parse = (str, opts) => {
   let dice
   if (percent) {
     ret.push(new Dice({
+      enabled: !!roll,
       count: 2,
       sides: 10,
-      percent: true
+      percent: true,
+      rng: opts && opts.rng
     }))
   }
   while (dice = regex.exec(str)) {
     ret.push(new Dice({
+      enabled: !!roll,
       match: dice,
       count: dice[1] === '' ? 1 : parseFloat(dice[1]),
       sides: parseFloat(dice[2]),
@@ -277,7 +283,7 @@ Dice.parse = (str, opts) => {
 }
 
 Dice.chat = (chat, opts) => {
-  const dice = Dice.parse(chat, opts)
+  const dice = Dice.parse(chat, opts).filter(x => x.enabled)
   if (dice.length) {
     const diceStrings = dice.map(x => x.toString())
     if (diceStrings.length > 1) {