I am trying to parse rsync command line options that start with either a - or --. Some of the -- parameters can also be assigned a value using =. The last two parameters in the example have no option names. They represent the Source and Destination folders.

I know that the following regex will match “red”, “green”, or “blue”.

I know that the following regex will match “red”, “green”, or “blue”.

I need a regular expression that accomplishes the following:

I’m working on a REST api that has a GET endpoint to search for trades in the context of stock exchanges.
It supports dynamic filtering so the client can set the trade field(column), comparison operator and comparison value
he wants.
e.g. Result -eq [Win] or Result -eq [BreakEven]
The operator must start with a dash and the comparison value must be surrounded by square brackets.
Everything within the square brackets will be treated as a value.
e.g. [some-value with whitespaces, "double quotes" and [] within] are totally fine.
Between the three components of the filter there must be at least one whitespace.

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I need to be able to find a letter+7digits with any characters after the 7th digit except 0-9 and A-Z. So it need to be ignored/not found if there is any of characters after 7th digit is 0-9 and A-Z

I have the following input file:

I have the following input file: