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Microsoft Forefront UAG 2010 Administrator's Handbook by Ran Dolev, Erez Ben-Ari

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Special characters

Special characters, also known as non-literals are characters that have a special meaning in the context of a regular expression. These are sometimes also referred to as metacharacters, and here they are:

  • The dot or period (.): The dot character is the quintessential wildcard of regular expressions. This special RegEx character will match any single character.

    For example the RegEx: port.

    • Strings that will match: ports, portA, portC, portX, Port8, and so on. Note that in UAG, RegEx is not case sensitive.
    • Strings that will not match the above RegEx: portable, airport, port12,
  • The asterisk or star (*): This metacharacter has the meaning of a repetition in RegEx, instructing the engine to match whatever was the previous character, ...

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