/**
* Checks if a string contains only characters allowable in a PrintableString.
*
* <p>The folliwing characters are allowed (taken from section 3.3.3 of RFC1148)
*
* <pre> printablestring = *( ps-char )
* ps-restricted-char = 1DIGIT / 1ALPHA / " " / "'" / "+"
* / "," / "-" / "." / "/" / ":" / "=" / "?"
* ps-delim = "(" / ")"
* ps-char = ps-delim / ps-restricted-char</pre>
*
* @return true iff <code><i>s</i></code> contains only characters allowable in a PrintableString.
*/
public static boolean isPrintableString(String s) {
return StringUtil.hasOnlyLegalChars(s, allowedChars);
}
