[−][src]Struct regex_cache::CachedRegexBuilder
A configurable builder for a cached Regex
.
Implementations
impl CachedRegexBuilder
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pub fn new(cache: Arc<Mutex<RegexCache>>, source: &str) -> CachedRegexBuilder
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Create a new regular expression builder with the given pattern.
If the pattern is invalid, then an error will be returned when
compile
is called.
pub fn build(&self) -> Result<CachedRegex, Error>
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Consume the builder and compile the regular expression.
Note that calling as_str
on the resulting Regex
will produce the
pattern given to new
verbatim. Notably, it will not incorporate any
of the flags set on this builder.
pub fn build_unchecked(&self) -> CachedRegex
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Consume the builder and compile the regular expression without checking if the syntax is valid.
Only use this if you know that the syntax is valid or you are ready to handle potential syntax errors later on.
Note that calling as_str
on the resulting Regex
will produce the
pattern given to new
verbatim. Notably, it will not incorporate any
of the flags set on this builder.
pub fn case_insensitive(&mut self, yes: bool) -> &mut CachedRegexBuilder
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Set the value for the case insensitive (i
) flag.
pub fn multi_line(&mut self, yes: bool) -> &mut CachedRegexBuilder
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Set the value for the multi-line matching (m
) flag.
pub fn dot_matches_new_line(&mut self, yes: bool) -> &mut CachedRegexBuilder
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Set the value for the any character (s
) flag, where in .
matches
anything when s
is set and matches anything except for new line when
it is not set (the default).
N.B. "matches anything" means "any byte" for regex::bytes::Regex
expressions and means "any Unicode scalar value" for regex::Regex
expressions.
pub fn swap_greed(&mut self, yes: bool) -> &mut CachedRegexBuilder
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Set the value for the greedy swap (U
) flag.
pub fn ignore_whitespace(&mut self, yes: bool) -> &mut CachedRegexBuilder
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Set the value for the ignore whitespace (x
) flag.
pub fn unicode(&mut self, yes: bool) -> &mut CachedRegexBuilder
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Set the value for the Unicode (u
) flag.
pub fn size_limit(&mut self, limit: usize) -> &mut CachedRegexBuilder
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Set the approximate size limit of the compiled regular expression.
This roughly corresponds to the number of bytes occupied by a single compiled program. If the program exceeds this number, then a compilation error is returned.
pub fn dfa_size_limit(&mut self, limit: usize) -> &mut CachedRegexBuilder
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Set the approximate size of the cache used by the DFA.
This roughly corresponds to the number of bytes that the DFA will use while searching.
Note that this is a per thread limit. There is no way to set a global limit. In particular, if a regex is used from multiple threads simulanteously, then each thread may use up to the number of bytes specified here.
Trait Implementations
impl Clone for CachedRegexBuilder
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fn clone(&self) -> CachedRegexBuilder
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fn clone_from(&mut self, source: &Self)
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impl Debug for CachedRegexBuilder
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Auto Trait Implementations
impl RefUnwindSafe for CachedRegexBuilder
impl Send for CachedRegexBuilder
impl Sync for CachedRegexBuilder
impl Unpin for CachedRegexBuilder
impl UnwindSafe for CachedRegexBuilder
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,