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Diffstat (limited to 'crates/regex/src/matcher.rs')
| -rw-r--r-- | crates/regex/src/matcher.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/crates/regex/src/matcher.rs b/crates/regex/src/matcher.rs index f3f673ff..003d415c 100644 --- a/crates/regex/src/matcher.rs +++ b/crates/regex/src/matcher.rs @@ -286,6 +286,22 @@ impl RegexMatcherBuilder { self } + /// Ban a byte from occurring in a regular expression pattern. + /// + /// If this byte is found in the regex pattern, then an error will be + /// returned at construction time. + /// + /// This is useful when binary detection is enabled. Callers will likely + /// want to ban the same byte that is used to detect binary data, i.e., + /// the NUL byte. The reason for this is that when binary detection is + /// enabled, it's impossible to match a NUL byte because binary detection + /// will either quit when one is found, or will convert NUL bytes to line + /// terminators to avoid exorbitant heap usage. + pub fn ban_byte(&mut self, byte: Option<u8>) -> &mut RegexMatcherBuilder { + self.config.ban = byte; + self + } + /// Set the line terminator to `\r\n` and enable CRLF matching for `$` in /// regex patterns. /// |