@@ -1,5 +1,5 @@
 import { ChipLink } from '@sim/emcn'
-import { truncate } from '@sim/utils/string'
+import { escapeRegExp, truncate } from '@sim/utils/string'
 import type { Metadata } from 'next'
 import Link from 'next/link'
 import { notFound } from 'next/navigation'
@@ -127,10 +127,6 @@ function sentenceWithTerminalPunctuation(value: string): string {
   return /[.!?]$/.test(trimmedValue) ? trimmedValue : `${trimmedValue}.`
 }
 
-function escapeRegex(value: string): string {
-  return value.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
-}
-
 /**
  * Server-side rewrite of bare integration names in a curated template prompt
  * to `@`-mention form (`Slack` → `@Slack`) so the prompt chips with brand
@@ -152,7 +148,7 @@ function mentionifyPromptForNames(prompt: string, names: readonly string[]): str
   )
   if (unique.length === 0) return prompt
   const regex = new RegExp(
-    `(?<![A-Za-z0-9_@])(${unique.map(escapeRegex).join('|')})(?![A-Za-z0-9_])`,
+    `(?<![A-Za-z0-9_@])(${unique.map(escapeRegExp).join('|')})(?![A-Za-z0-9_])`,
     'gi'
   )
   return prompt.replace(regex, (match) => `@${match}`)
 
@@ -1,6 +1,7 @@
 import { useCallback, useEffect, useMemo, useRef, useState } from 'react'
 import { toast } from '@sim/emcn'
 import { assessTextPaste, PASTE_LIMITS, PASTE_RENDER_THRESHOLDS } from '@sim/utils/paste'
+import { escapeRegExp } from '@sim/utils/string'
 import {
   attachSelectionContextToClipboard,
   readSelectionContextFromClipboard,
@@ -28,7 +29,6 @@ import {
 } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/copilot/components/user-input/hooks'
 import {
   areContextsEqual,
-  escapeRegex,
   filterContextsPresentInMessage,
   prepareContextForInsert,
   restoreSkillTriggerText,
@@ -369,7 +369,7 @@ export function usePromptEditor({
 
       const labelIsUsed = (candidate: string): boolean => {
         if (selectedContexts.some((selected) => selected.label === candidate)) return true
-        return new RegExp(`(^|\\s)@${escapeRegex(candidate)}(?![A-Za-z0-9_])`).test(currentValue)
+        return new RegExp(`(^|\\s)@${escapeRegExp(candidate)}(?![A-Za-z0-9_])`).test(currentValue)
       }
 
       while (labelIsUsed(label)) {
 
@@ -1,8 +1,6 @@
 import { useCallback, useMemo, useRef } from 'react'
-import {
-  escapeRegex,
-  SKILL_CHIP_TRIGGER,
-} from '@/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/copilot/components/user-input/utils'
+import { escapeRegExp } from '@sim/utils/string'
+import { SKILL_CHIP_TRIGGER } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/copilot/components/user-input/utils'
 import type { McpServer } from '@/hooks/queries/mcp'
 import type { SkillDefinition } from '@/hooks/queries/skills'
 import type { ChatContext } from '@/stores/panel'
@@ -104,8 +102,8 @@ export function useSkillAutoMention({
     // Match either trigger: the typed '/' or the stored sentinel, so both fresh
     // input and pasted/restored chips resolve. The trigger group is the match's
     // first char (`text[match.index]`); group 1 is the skill name.
-    const trigger = `(?:/|${escapeRegex(SKILL_CHIP_TRIGGER)})`
-    const pattern = `${trigger}(${names.map(escapeRegex).join('|')})(?![A-Za-z0-9_-])`
+    const trigger = `(?:/|${escapeRegExp(SKILL_CHIP_TRIGGER)})`
+    const pattern = `${trigger}(${names.map(escapeRegExp).join('|')})(?![A-Za-z0-9_-])`
     return { regex: new RegExp(pattern, 'gi'), byName }
   }, [skills, mcpServers])
 
 
@@ -2,6 +2,7 @@
 
 import { useMemo } from 'react'
 import { cn } from '@sim/emcn'
+import { escapeRegExp } from '@sim/utils/string'
 import { ContextMentionIcon } from '@/app/workspace/[workspaceId]/home/components/context-mention-icon'
 import type { ChatMessageContext } from '@/app/workspace/[workspaceId]/home/types'
 import { getIntegrationMatcher } from '@/blocks/integration-matcher'
@@ -22,10 +23,6 @@ interface UserMessageContentProps {
   compact?: boolean
 }
 
-function escapeRegex(str: string): string {
-  return str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
-}
-
 interface MentionRange {
   start: number
   end: number
@@ -54,7 +51,7 @@ function computeMentionRanges(text: string, contexts: ChatMessageContext[]): Men
     const ctx = withResolvedBlockType(rawCtx)
     const prefix = ctx.kind === 'skill' || ctx.kind === 'mcp' ? '/' : '@'
     const token = `${prefix}${ctx.label}`
-    const pattern = new RegExp(`(^|\\s)(${escapeRegex(token)})(\\s|$)`, 'g')
+    const pattern = new RegExp(`(^|\\s)(${escapeRegExp(token)})(\\s|$)`, 'g')
     let match: RegExpExecArray | null
     while ((match = pattern.exec(text)) !== null) {
       const leadingSpace = match[1]
 
@@ -1,3 +1,4 @@
+import { escapeRegExp } from '@sim/utils/string'
 import {
   FOLDER_CONFIGS,
   type MentionFolderId,
@@ -24,15 +25,6 @@ export function restoreSkillTriggerText(text: string): string {
   return text.replaceAll(SKILL_CHIP_TRIGGER, '/')
 }
 
-/**
- * Escapes special regex characters in a string
- * @param value - String to escape
- * @returns Escaped string safe for use in RegExp
- */
-export function escapeRegex(value: string): string {
-  return value.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
-}
-
 /**
  * Extracts mention tokens from contexts for display/matching
  * Filters out current_workflow contexts and builds prefixed labels
@@ -107,7 +99,7 @@ export function computeMentionHighlightRanges(
   if (!tokens.length || !text) return []
 
   const longestFirstTokens = [...new Set(tokens)].sort((a, b) => b.length - a.length)
-  const pattern = new RegExp(`(${longestFirstTokens.map(escapeRegex).join('|')})`, 'g')
+  const pattern = new RegExp(`(${longestFirstTokens.map(escapeRegExp).join('|')})`, 'g')
   const ranges: MentionHighlightRange[] = []
   let match: RegExpExecArray | null
 
 
@@ -1,3 +1,4 @@
+import { escapeRegExp } from '@sim/utils/string'
 import { LandingPromptStorage } from '@/lib/core/utils/browser-storage'
 import { getCanonicalBlocksByCategory } from '@/blocks/registry'
 import type { BlockIcon } from '@/blocks/types'
@@ -32,10 +33,6 @@ export interface IntegrationMatcher {
   byName: Map<string, IntegrationDescriptor>
 }
 
-function escapeRegex(value: string): string {
-  return value.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
-}
-
 /** Strips ` (Legacy)` / ` V2` suffixes so the display uses the natural name. */
 function normalizeDisplayName(name: string): string {
   return name
@@ -81,7 +78,7 @@ function buildMatcher(): IntegrationMatcher {
 
   names.sort((a, b) => b.length - a.length)
   const regex = names.length
-    ? new RegExp(`(?<![A-Za-z0-9_])(${names.map(escapeRegex).join('|')})(?![A-Za-z0-9_])`, 'gi')
+    ? new RegExp(`(?<![A-Za-z0-9_])(${names.map(escapeRegExp).join('|')})(?![A-Za-z0-9_])`, 'gi')
     : null
 
   return { regex, byName }
 
@@ -469,10 +469,6 @@ export function stripCustomToolPrefix(name: string): string {
     : name
 }
 
-export function escapeRegExp(value: string): string {
-  return value.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
-}
-
 /**
  * Normalizes a name for comparison by converting to lowercase and removing
  * spaces and dots. Used for both block names and variable names to ensure
 
@@ -4,6 +4,7 @@ import {
   authorizeWorkflowByWorkspacePermission,
   getActiveWorkflowRecord,
 } from '@sim/platform-authz/workflow'
+import { escapeRegExp } from '@sim/utils/string'
 import { eq } from 'drizzle-orm'
 import { createCopilotChatKnowledgePrincipal } from '@/lib/copilot/application/execute-knowledge-use-case'
 import { createCopilotChatPrincipal } from '@/lib/copilot/auth/application-delegation'
@@ -59,7 +60,6 @@ import { workflowDelegationPolicy } from '@/lib/workflows/application/authorizat
 import { readWorkflowMetadata } from '@/lib/workflows/application/read-workflow'
 import { readWorkspaceFileMetadata } from '@/lib/workspace-files/application/read-workspace-file-metadata'
 import { getBlockRegistry } from '@/blocks/registry'
-import { escapeRegExp } from '@/executor/constants'
 import type { ResolvedSecretTraceRegistry } from '@/executor/utils/resolved-secret-trace-registry'
 import type { BrowserTextSelection, ChatContext, TerminalTextSelection } from '@/stores/panel'
 
 
@@ -1,3 +1,4 @@
+import { escapeRegExp } from '@sim/utils/string'
 import { RE2JS } from 're2js'
 
 /**
@@ -45,11 +46,6 @@ export interface LinearRegex {
 
 const METACHARACTERS = /[.*+?^${}()|[\]\\]/
 
-/** Escape every regex metacharacter so `input` matches only itself. */
-function escapeRegExp(input: string): string {
-  return input.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
-}
-
 /** True when `pattern` has no metacharacter, so both engines behave identically. */
 export function isPlainText(pattern: string): boolean {
   return !METACHARACTERS.test(pattern)
 
@@ -3,6 +3,7 @@ import { createLogger } from '@sim/logger'
 import { sha256Hex } from '@sim/security/hash'
 import { getErrorMessage } from '@sim/utils/errors'
 import { toRecord } from '@sim/utils/object'
+import { escapeRegExp } from '@sim/utils/string'
 import { NextResponse } from 'next/server'
 import type { ParsedFunctionExecuteBody } from '@/lib/api/contracts'
 import {
@@ -108,7 +109,7 @@ import { rebindWorkspaceFileDelegatedPrincipal } from '@/lib/workspace-files/app
 import { fileOperations } from '@/lib/workspace-files/application/operations'
 import { readWorkspaceFileContent } from '@/lib/workspace-files/application/read-workspace-file-content'
 import { resolveWorkspaceFileReference } from '@/lib/workspace-files/application/resolve-workspace-file-reference'
-import { escapeRegExp, normalizeName, REFERENCE, sanitizeFileName } from '@/executor/constants'
+import { normalizeName, REFERENCE, sanitizeFileName } from '@/executor/constants'
 import type { UserFile } from '@/executor/types'
 import { type OutputSchema, resolveBlockReference } from '@/executor/utils/block-reference'
 import {