How to detect special characters in an edit text and display a Toast in response (Android)?

Question

An apology for my bad English, I\'m using google translate.

I\'m creating an activity in which users must create a new profile. I put a limit to edit text of 15 char

Answer 1

Use:

public void click (View view) {

    if (edittext.matcher(abcd).find ()) {
       Toast.maketext(this, "abcd Found", TOAST.LENGTH_LONG).show ();
    }

}