/src/main/java/org/htmlunit/util/UrlUtils.java
c = query_.charAt( i) ;
c = scheme.charAt ( i ) ;
char c = scheme.charAt(0); boolean isValid = ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z'); if (!isValid) { return false; } for (int i = 1; i < length; i++) { <extra_id_0> isValid = ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || c == '+' || c == '.' || c == '-';