Validating filename including predefined tags using QRegExp



  • In my application I have line edit where user can enter a file name which will be used as the file name to save image while archiving with FTP.

    I have a combo box from which user can also select some predefined tags for the file name which is enclosed in . Eg:

    <TIME>
    <DATE>
    <HOUR>
    <YEAR>
    <COUNTER>
    <XXCOUNTER> -> This tag user can edit to replace XX with 00..09
    

    I want to allow user to manually enter these tags also. When user starts entering name the validation should be done and if found invalid then I will display the name in red color else in green color.

    Also I will not allow user to enter special characters which cannot be used in file name like |, /, ?, , ", :, *

    Example:
    Image_<COUNTER>     -     Valid
    Image_<COUNTER><    -     Invalid
    Name<12COUNTER>     -     Invalid
    

    How I can achieve validating the name which including the tags[<>] by using RegExpression[QRegExp]?


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