Want to search in String if there is any special characters in it

Question

I want to search any special char in java string. here is my code

    Pattern p = Pattern.compile(\"^[a-zA-Z0-9 ]\");
    Matcher m = p.matcher(\"hgbs!hf862376\"         


        

Answer 1

Pattern p = Pattern.compile("^[a-zA-Z0-9]*$");
Matcher m = p.matcher("hgbs!hf862376");
boolean b = m.matches(); // looking for no special characters

if (!b) {
    System.out.println("sp. character is there");
}