public static long fromAlpha1(String s) {
        s = s.trim();
        if (s.isEmpty()) return 0;
        return fromAlpha(s) + 1;
    }
public static long fromAlpha1 ( String s ) { s = s . trim ( ) ; if ( s . isEmpty ( ) ) return 0 ; return fromAlpha ( s ) + 1 ; }
Parses a one-based alpha-index.
An empty string will be parsed as zero.
@see #fromAlpha(java.lang.String)