[−][src]Struct regex_cache::LazyRegexBuilder
A configurable builder for a lazy Regex
.
Implementations
impl LazyRegexBuilder
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pub fn new(source: &str) -> LazyRegexBuilder
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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<LazyRegex, 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 case_insensitive(&mut self, yes: bool) -> &mut LazyRegexBuilder
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Set the value for the case insensitive (i
) flag.
pub fn multi_line(&mut self, yes: bool) -> &mut LazyRegexBuilder
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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 LazyRegexBuilder
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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 LazyRegexBuilder
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Set the value for the greedy swap (U
) flag.
pub fn ignore_whitespace(&mut self, yes: bool) -> &mut LazyRegexBuilder
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Set the value for the ignore whitespace (x
) flag.
pub fn unicode(&mut self, yes: bool) -> &mut LazyRegexBuilder
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Set the value for the Unicode (u
) flag.
pub fn size_limit(&mut self, limit: usize) -> &mut LazyRegexBuilder
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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 LazyRegexBuilder
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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 LazyRegexBuilder
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fn clone(&self) -> LazyRegexBuilder
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fn clone_from(&mut self, source: &Self)
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impl Debug for LazyRegexBuilder
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impl Eq for LazyRegexBuilder
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impl PartialEq<LazyRegexBuilder> for LazyRegexBuilder
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fn eq(&self, other: &LazyRegexBuilder) -> bool
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fn ne(&self, other: &LazyRegexBuilder) -> bool
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impl StructuralEq for LazyRegexBuilder
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impl StructuralPartialEq for LazyRegexBuilder
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Auto Trait Implementations
impl RefUnwindSafe for LazyRegexBuilder
impl Send for LazyRegexBuilder
impl Sync for LazyRegexBuilder
impl Unpin for LazyRegexBuilder
impl UnwindSafe for LazyRegexBuilder
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>,