Hi @priya0709 , Well, there has to be something "unique" to identify them. Do they always start with a capital "W"? Is there a min/max length of the string? Are the subjects where they appear always look the same. You gave 2 examples, are there more possible subjects where they appear? The following, simple RegEx would work if there are never no other words/strings that start with a capital "W" in the subject and if servername always has "W" as first character: | rex field=subject "(?<servername>W\S+)" You could make it more sensitive with adding words/characters that appear around the servername, if that is limited. Or you could specify a min and max length of the servername string. Hope it helps. BR Ralph -- Karma and/or Solution tagging appreciated.
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