Installed FiltaQuilla. Need help to construct Subject Regex Match string to filter spam with subject line where the spammer intersperses spaces between several of the characters in the message subject line. Tak e C o n t rol o f Y o u r F in a n c e s : O ur D ebt R eli e f Pr o gr a m Trying to filter on 4 or 5 successive single characters interspersed with spaces -- e C o n t Tried ^*[ ][^ ][ ][^ ][ ][^ ][ ][^]*$ , which I thought would return true on the sample above. It did not seem to work.