Hi.
I have to upload a list of users from a text file. I need to avoid the user uploads html tags for example <script>. Maybe someone is uploading
john, peter, <script>, 'delete where id = 7'.
I don' have to convert the text like htmlencode(string).
Instead I have to tell the user that he is uploading not allowed characters.
Which line of codes I could use to avoid the user upload symbols like <>''&% from a text file.
Thanks.
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