fix: support all characters for suggestion char, fix #2385

packages/core/src/index.ts

@@ -21,6 +21,7 @@ export * from './pasteRules/markPasteRule'
 export * from './pasteRules/textPasteRule'
 
 export * from './utilities/callOrReturn'
+export * from './utilities/escapeForRegEx'
 export * from './utilities/mergeAttributes'
 
 export * from './helpers/combineTransactionSteps'

packages/core/src/utilities/escapeForRegEx.ts

@@ -0,0 +1,4 @@
+// source: https://stackoverflow.com/a/6969486
+export function escapeForRegEx(string: string): string {
+  return string.replace(/[-/\\^$*+?.()|[\]{}]/g, '\\$&')
+}

packages/suggestion/src/findSuggestionMatch.ts

@@ -1,4 +1,4 @@
-import { Range } from '@tiptap/core'
+import { Range, escapeForRegEx } from '@tiptap/core'
 import { ResolvedPos } from 'prosemirror-model'
 
 export interface Trigger {
@@ -24,11 +24,7 @@ export function findSuggestionMatch(config: Trigger): SuggestionMatch {
     $position,
   } = config
 
-  // Matching expressions used for later
+  const escapedChar = escapeForRegEx(char)
-  const escapedChar = char
-    .split('')
-    .map(c => `\\${c}`)
-    .join('')
   const suffix = new RegExp(`\\s${escapedChar}$`)
   const prefix = startOfLine ? '^' : ''
   const regexp = allowSpaces