Remove redundant nested operator in builtin grok expression. #47870
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This prevents the following warning from being printed to console:
`regular expression has redundant nested repeat operator + /%\{(?<name>(?<pattern>[A-z0-9]+)(?::(?<subname>[[:alnum:]@\[\]_:.-]+))?)(?:=(?<definition>(?:(?:[^{}]+|\.+)+)+))?\}/`
The current grok expression is not failing, but just this warning is being printed.
The warning started being printed after upgrading joni (elastic#47374).
Closes elastic#47861
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This prevents the following warning from being printed to console:
`regular expression has redundant nested repeat operator + /%\{(?<name>(?<pattern>[A-z0-9]+)(?::(?<subname>[[:alnum:]@\[\]_:.-]+))?)(?:=(?<definition>(?:(?:[^{}]+|\.+)+)+))?\}/`
The current grok expression is not failing, but just this warning is being printed.
The warning started being printed after upgrading joni (#47374).
Closes #47861
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This prevents the following warning from being printed to console:
regular expression has redundant nested repeat operator + /%\{(?<name>(?<pattern>[A-z0-9]+)(?::(?<subname>[[:alnum:]@\[\]_:.-]+))?)(?:=(?<definition>(?:(?:[^{}]+|\.+)+)+))?\}/The current grok expression is not failing, but just this warning is being printed.
The warning started being printed after upgrading joni (#47374).
Closes #47861