Web Forms :: Regex With Min Characters And No Spaces

Oct 14, 2010

How can I make this regex not accept spaces?: [0-9a-zA-Z' ']{3,}

Everything I'm reading says to put a * or a + after the [] , but I get an invalid expression error when I do. The end result I'm looking for is a string of letters and numbers only - no spaces inbetween.

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