Enum Assertion 

pub enum Assertion {
    LineStart,
    LineEnd,
    TextStart,
    TextEnd,
    WordBoundary,
    NotWordBoundary,
    WordStart,
    WordEnd,
    TextEndOptionalNewline,
}

Zero-width assertions.

Variants

LineStart

^

LineEnd

$

TextStart

\A

TextEnd

\Z (Python: end of text only)

WordBoundary

\b

NotWordBoundary

\B

WordStart

Rust \< or \b{start}: a word boundary with a word character next.

WordEnd

Rust \> or \b{end}: a word boundary with a word character before.

TextEndOptionalNewline

PCRE2 \Z: end of text or just before a final line break.

Trait Implementations

impl Clone for Assertion

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for Assertion

impl Debug for Assertion

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for Assertion

impl PartialEq for Assertion

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for Assertion