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Asked: 2026-05-25T12:59:19+00:00

I want to write a regular expression to check string that contains only letters,digits,spaces,#

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I want to write a regular expression to check string that contains only letters,digits,spaces,# and the string length should be minimum 10 and maximum 29 and string should not begin with blank.

please help me

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1 Answer

  1. Editorial Team

    This is one possible regular expression, but I don’t know flex:

    /^[a-zA-Z0-9#][a-zA-Z0-9 #]{9,28}$/
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