Created
          September 7, 2011 19:07 
        
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    Verbose Python RegExp Match
  
        
  
    
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  | pattern = re.compile(r''' | |
| \d{4}\-\d{2}\-\d{2} # yyyy-mm-dd | |
| \s | |
| \d{2}:\d{2}:\d{2} # HH:mm:ss | |
| \s | |
| (\d{1,3}\.){3}\d{1,3} # IP | |
| \(via\sUDP:\s\[ | |
| (\d{1,3}\.){3}\d{1,3} # UDP IP | |
| \]: | |
| \d+ # UDP port? | |
| \)\sTRAP,\sSNMP\sv1,\scommunity\spublic\n\s+SNMPv2-SMI::enterprises.2604. | |
| \d.\d.\d.\d # COMMENT ME | |
| \sEnterprise\sSpecific\sTrap\s\( | |
| \w+ # COMMENT ME | |
| \)\sUptime:\s | |
| (\w+\sdays,)* # Uptime, day part (may not exist) | |
| \d+:\d+:\d+.\d+ # Uptime, hh:mm:ss.xx | |
| \n\s+SNMPv2-SMI::enterprises.2604. | |
| \d.\d.\d.\d.\d.\d # COMMENT ME | |
| \s=\sHex-STRING:\s | |
| (\w+\s)+ # Hex STRING | |
| \s+SNMPv2-SMI::enterprises.2604. | |
| \d.\d.\d.\d.\d.\d # COMMENT ME | |
| \s=\sSTRING:\s\" | |
| .+ # content of STRING | |
| \" | |
| ''', re.VERBOSE) | |
| print pattern.match(content) # "content" is the string to match | 
  
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