diff --git a/app/src/main/java/org/sopt/pingle/presentation/ui/plan/PlanActivity.kt b/app/src/main/java/org/sopt/pingle/presentation/ui/plan/PlanActivity.kt
index 3b9ef04f7..b7997a59f 100644
--- a/app/src/main/java/org/sopt/pingle/presentation/ui/plan/PlanActivity.kt
+++ b/app/src/main/java/org/sopt/pingle/presentation/ui/plan/PlanActivity.kt
@@ -25,8 +25,6 @@ import org.sopt.pingle.presentation.ui.plan.plansummaryconfirmation.PlanSummaryC
 import org.sopt.pingle.presentation.ui.plan.plantitle.PlanTitleFragment
 import org.sopt.pingle.util.base.BindingActivity
 import org.sopt.pingle.util.component.AllModalDialogFragment
-import org.sopt.pingle.util.component.PingleSnackbar
-import org.sopt.pingle.util.context.stringOf
 import org.sopt.pingle.util.view.PingleFragmentStateAdapter
 import org.sopt.pingle.util.view.UiState
 
@@ -85,7 +83,6 @@ class PlanActivity : BindingActivity<ActivityPlanBinding>(R.layout.activity_plan
         binding.btnPlan.setOnClickListener {
             when (binding.vpPlan.currentItem) {
                 fragmentList.size - SUB_LIST_SIZE -> planViewModel.postPlanMeeting()
-                PLAN_OPEN_CHATTING_FRAGMENT_INDEX -> validationOpenChattingLink()
                 else -> binding.vpPlan.currentItem++
             }
         }
@@ -163,24 +160,10 @@ class PlanActivity : BindingActivity<ActivityPlanBinding>(R.layout.activity_plan
         onBackPressedDispatcher.addCallback(this, onBackPressed)
     }
 
-    private fun validationOpenChattingLink() {
-        if (planViewModel.validityOpenChattingLink()) {
-            binding.vpPlan.currentItem++
-        } else {
-            PingleSnackbar.makeSnackbar(
-                binding.root,
-                stringOf(R.string.plan_open_chatting_snackbar),
-                SNACKBAR_BOTTOM_MARGIN
-            )
-        }
-    }
-
     companion object {
         private const val EXIT_MODAL = "exitModal"
         const val FIRST_PAGE = 0
         const val DEFAULT_PROGRESSBAR = 1f
         const val SUB_LIST_SIZE = 1
-        const val PLAN_OPEN_CHATTING_FRAGMENT_INDEX = 5
-        const val SNACKBAR_BOTTOM_MARGIN = 126
     }
 }
diff --git a/app/src/main/java/org/sopt/pingle/presentation/ui/plan/PlanViewModel.kt b/app/src/main/java/org/sopt/pingle/presentation/ui/plan/PlanViewModel.kt
index ec4a874f8..a9447cef9 100644
--- a/app/src/main/java/org/sopt/pingle/presentation/ui/plan/PlanViewModel.kt
+++ b/app/src/main/java/org/sopt/pingle/presentation/ui/plan/PlanViewModel.kt
@@ -97,9 +97,8 @@ class PlanViewModel @Inject constructor(
                 (currentPage == PlanType.DATETIME.position && planDate.isNotBlank() && startTime.isNotBlank() && endTime.isNotBlank()) ||
                 (currentPage == PlanType.LOCATION.position && selectedLocation != null) ||
                 (
-                    currentPage == PlanType.RECRUITMENT.position && selectedRecruitment.isNotBlank() && checkRecruitment(
-                        selectedRecruitment
-                    )
+                    currentPage == PlanType.RECRUITMENT.position && selectedRecruitment.isNotBlank() &&
+                        checkRecruitment(selectedRecruitment)
                     ) ||
                 (currentPage == PlanType.OPENCHATTING.position && planOpenChattingLink.isNotBlank()) ||
                 (currentPage == PlanType.SUMMARY.position)
@@ -245,7 +244,11 @@ class PlanViewModel @Inject constructor(
         }
     }
 
-    fun validityOpenChattingLink() = planOpenChattingLink.value.startsWith(OPEN_CHATTING_LINK_VALIDITY)
+    fun validityOpenChattingLink() {
+        openChattingLinkRegexPattern.find(planOpenChattingLink.value)?.value?.let { matchedString ->
+            planOpenChattingLink.value = matchedString
+        }
+    }
 
     companion object {
         const val FIRST_PAGE_POSITION = 0
@@ -254,6 +257,7 @@ class PlanViewModel @Inject constructor(
         const val START_RECRUITMENT = 2
         const val END_RECRUITMENT = 99
         const val BLANK_STRING = " "
-        const val OPEN_CHATTING_LINK_VALIDITY = "https://open.kakao.com/"
+        val openChattingLinkRegexPattern =
+            """https://open.kakao.com/o/[A-Za-z0-9]+""".toRegex()
     }
 }
diff --git a/app/src/main/java/org/sopt/pingle/presentation/ui/plan/planopenchatting/PlanOpenChattingFragment.kt b/app/src/main/java/org/sopt/pingle/presentation/ui/plan/planopenchatting/PlanOpenChattingFragment.kt
index 677a6a4d1..10515655c 100644
--- a/app/src/main/java/org/sopt/pingle/presentation/ui/plan/planopenchatting/PlanOpenChattingFragment.kt
+++ b/app/src/main/java/org/sopt/pingle/presentation/ui/plan/planopenchatting/PlanOpenChattingFragment.kt
@@ -3,7 +3,11 @@ package org.sopt.pingle.presentation.ui.plan.planopenchatting
 import android.os.Bundle
 import android.view.View
 import androidx.fragment.app.activityViewModels
+import androidx.lifecycle.flowWithLifecycle
+import androidx.lifecycle.lifecycleScope
 import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
 import org.sopt.pingle.R
 import org.sopt.pingle.databinding.FragmentPlanOpenChattingBinding
 import org.sopt.pingle.presentation.ui.plan.PlanViewModel
@@ -16,10 +20,10 @@ class PlanOpenChattingFragment :
     private val planViewModel: PlanViewModel by activityViewModels()
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-
         binding.viewModel = planViewModel
 
         addListeners()
+        collectData()
     }
 
     private fun addListeners() {
@@ -27,4 +31,10 @@ class PlanOpenChattingFragment :
             requireActivity().hideKeyboard(it)
         }
     }
+
+    private fun collectData() {
+        planViewModel.planOpenChattingLink.flowWithLifecycle(lifecycle).onEach { openChattingLink ->
+            planViewModel.validityOpenChattingLink()
+        }.launchIn(lifecycleScope)
+    }
 }