regex for validating folder name & file name

问题

I want to validate a file name

Name of file or folder should not contain \ / ? % * : | " < > .

Could you please suggest me the regex expression to use in preg_match()?

Thanks.

回答1:

It would be more efficient to use the strpbrk() function.

if (strpbrk($filename, "\\/?%*:|\"<>") === FALSE) {
  /* $filename is legal; doesn't contain illegal character. */
}
else {
  /* $filename contains at least one illegal character. */
}

回答2:

The regex that meets your requirements: ^[^\\/?%*:|"<>\.]+$

回答3:

new RegExp('^[a-zA-Zа-яА-Я0-9_!]+$')

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回答4:

new RegExp('^[^\\\\\/\?\%\*\:\|\"<>]+$')

its work for me. Basically it takes:

new RegExp('^[^\\/?%*:|"<>]+$')

来源：https://stackoverflow.com/questions/6222215/regex-for-validating-folder-name-file-name