Method only_utf8

regex/src/compile.rs:93–96

When disabled, the program compiled may match arbitrary bytes. When enabled (the default), all compiled programs exclusively match valid UTF-8 bytes.

(mut self, yes: bool)

    /// When enabled (the default), all compiled programs exclusively match
    /// valid UTF-8 bytes.
    pub fn only_utf8(mut self, yes: bool) -> Self {
        self.compiled.only_utf8 = yes;
        self
    }

    /// When set, the machine returned is suitable for use in the DFA matching
    /// engine.