B4J Question how can i find if exists symbol inside a String ?

'
   Dim text, pattern As String
   pattern = "[!@#$%¨&*()+=\-\[\]~´;/:?}{`\^<>|\\]"
   text = "hello\world"
   Dim Matcher1 As Matcher
   Matcher1 = Regex.Matcher(pattern, text)
   Do While Matcher1.Find
       Log("Found: " & Matcher1.Match)
   Loop
   text = "hello^world"
   Matcher1 = Regex.Matcher(pattern, text)
   Do While Matcher1.Find
       Log("Found: " & Matcher1.Match)
   Loop
   text = "!@#$%¨&*()+=-[]~´;/:?}{`^<>|\"
   Log(text.Length)
   text = "hello!@#$%¨&*()+=-[]~´;/:?}{`^<>|\world"
   Matcher1 = Regex.Matcher(pattern, text)
   Dim found As Int = 0
   Do While Matcher1.Find
       Log("Found: " & Matcher1.Match)
       found = found + 1
   Loop
   Log(found)