esempio... da adattare alle tue esigenze![]()
ciaocodice:<SCRIPT LANGUAGE="JavaScript"> <!-- function ctr(f) { v = f.imp.value; RE = new RegExp(/^\d+[\.|\,]\d{1,2}$/) alert(RE.test(v)) } //--> </SCRIPT> <FORM> <INPUT TYPE="text" NAME="imp"> <INPUT TYPE="button" onclick="ctr(this.form)"> </FORM>