Reg Exp Help

I am trying to code a regular expression that will match at the beginning of the string the contents of $password, followed by 0 or more occurrences of white space, followed by the contents of $int_id. The match should be case insensitive. Here are some examples of the strings: This one has a 6 character $password, followed by two white spaces, followed by a single character $int_id 9a9b9c z This one has a 8 character $password, followed by zero white spaces, followed by a single character $int_id 7d2ad345b This one has a 5 character $password, followed by three white spaces, followed by a four character $int_id d22ad bbaw Here is the regular expression I am trying to use that does not find the match and produces "Warning: REG_BADRPT". (eregi("^\$password+[[:space:]]*+\$int_id", $file_array[$i])) Any corrections? Thanks in advance. Zach Curtis POPULUS