Original regex at https://www.regextester.com/103299. I added a check for US country code in front of the area code

Sample regex to get the address to SSH IdentityFile for Host in ssh_config.

Captures format specifiers commonly used in logging and console messages, as defined in the current whatwg/console spec: %s: Formats the value as a string %i: Formats the value as an integer %d: Formats the value as an integer %f: Formats the value as a floating point value...

Captures format specifiers commonly used in logging and console messages, as defined in the current whatwg/console spec: %s: Formats the value as a string %i: Formats the value as an integer %d: Formats the value as an integer %f: Formats the value as a floating point value...

Can find markdown links and give you the text and links. Ignores image links.

added experimental support for historical notes (?:]+historicalnote*>[\w,\.\s]+)?

added experimental support for historical notes intercaleted between marginal note and section

Skip match process when S exist, or remove optional left most target T, capture left and right part of T. Use case: if N is not exist, modify/change T to N, or create N. If any create or modify write operated, appending output N to right using subsitution "$1$2N".

no headings

Looking for reasonable terms with a special char in them

Final comma need to be replaced with empty.

.NET Tested