![]() You can escape the backslash character by adding another backslash, as shown in this example: You can specify the expression in one of two ways. However, the expression uses the character class \d. You want to extract the IP class from the IP address. In this example, the clientip field contains IP addresses. Regular expressions with character classes | rex field=ccnumber mode=sed "s/(\\d/XXXX-XXXX-XXXX-/g" 2. The \d must be escaped in the expression using a back slash ( \ ) character. In this example the first 3 sets of numbers for a credit card are masked. Use a to match the regex to a series of numbers and replace the numbers with an anonymized string to preserve privacy. To learn more about the rex command, see How the rex command works. rex max_match=10 offset_field=newofield "From: (?.*) To: (?.The following are examples for using the SPL2 rex command. The max_match and offset_field options must be specified before the argument. ![]() The field option must be specified before the or argument. Options must be specified before the expressions New in SPL2 is support for raw string literals. ĭifferences between SPL and SPL2 Support for raw string literals This substitutes the characters that match with the characters in.The syntax for using sed to substitute characters is: y/// can be either: g to replace all matches, or a number to replace a specified match.Use n for backreferences, where "n" is a single digit. ![]()
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