Allow only letters, numbers, umlauts,+, -, and " inn String
I am looking for a way to allow only letters `a-z, A-Z` Numbers, `+` , `-` and `"` in a string.
Allow only letters, numbers, umlauts,+, -, and " inn String
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I am looking for a way to allow only letters `a-z, A-Z` Numbers, `+` , `-` and `"` in a string.