Hello

I want to do a indexOf but of certain special characters such as

variable.indexOf(''')==-1)
variable.indexOf('/')==-1)
variable.indexOf('\')==-1)
variable.indexOf('"')==-1)

etc, etc. How can I do this?

That should work, although you need to escape the backslash and single quote. What's the problem?

That should work, although you need to escape the backslash and single quote. What's the problem?

There; How do I "escape"?

Add a backslash before it: '\''

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