Method fastReplace

forge-core/src/main/java/forge/util/TextUtil.java:299–321

( String str, String target, String replacement )

    //fast Replace
    public static String fastReplace( String str, String target, String replacement ) {
        if (str == null) {
            return null;
        }
        int targetLength = target.length();
        if( targetLength == 0 ) {
            return str;
        }
        int idx2 = str.indexOf( target );
        if( idx2 < 0 ) {
            return str;
        }
        StringBuilder sb = new StringBuilder( targetLength > replacement.length() ? str.length() : str.length() * 2 );
        int idx1 = 0;
        do {
            sb.append( str, idx1, idx2 );
            sb.append( replacement );
            idx1 = idx2 + targetLength;
            idx2 = str.indexOf( target, idx1 );
        } while( idx2 > 0 );
        sb.append( str, idx1, str.length() );
        return sb.toString();
    }
    //Convert to Mana String
    public static String toManaString(String ManaProduced) {
        if ("mana".equals(ManaProduced) || ManaProduced.contains("Combo")|| ManaProduced.contains("Any"))