From a0ba8c5c2a51668350f8a91ee077f61692090356 Mon Sep 17 00:00:00 2001
From: Baptiste Arnaud <baptiste.arnaud95@gmail.com>
Date: Fri, 29 Mar 2024 08:06:16 +0100
Subject: [PATCH] :bug: (conditions) Parse regex flags as well

Closes #1393
---
 .../blocks/logic/condition/executeCondition.ts  | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/packages/bot-engine/blocks/logic/condition/executeCondition.ts b/packages/bot-engine/blocks/logic/condition/executeCondition.ts
index ff9290a2f1..90868c92bd 100644
--- a/packages/bot-engine/blocks/logic/condition/executeCondition.ts
+++ b/packages/bot-engine/blocks/logic/condition/executeCondition.ts
@@ -126,15 +126,18 @@ const executeComparison =
       case ComparisonOperators.MATCHES_REGEX: {
         const matchesRegex = (a: string | null, b: string | null) => {
           if (b === '' || !b || !a) return false
-          if (b.startsWith('/') && b.endsWith('/')) b = b.slice(1, -1)
-          return new RegExp(b).test(a)
+          const regex = preprocessRegex(b)
+          if (!regex) return false
+          return new RegExp(regex.pattern, regex.flags).test(a)
         }
         return compare(matchesRegex, inputValue, value, 'some')
       }
       case ComparisonOperators.NOT_MATCH_REGEX: {
         const matchesRegex = (a: string | null, b: string | null) => {
           if (b === '' || !b || !a) return false
-          return !new RegExp(b).test(a)
+          const regex = preprocessRegex(b)
+          if (!regex) return true
+          return !new RegExp(regex.pattern, regex.flags).test(a)
         }
         return compare(matchesRegex, inputValue, value)
       }
@@ -171,3 +174,11 @@ const parseDateOrNumber = (value: string): number => {
   }
   return parsed
 }
+
+const preprocessRegex = (regex: string) => {
+  const match = regex.match(/^\/([^\/]+)\/([gimuy]*)$/)
+
+  if (!match) return null
+
+  return { pattern: match[1], flags: match[2] }
+}