pub enum ParseError {
Show 16 variants GeneralParseError(String), UnclosedOpenParen, InvalidRepeat, RecursionExceeded, TrailingBackslash, InvalidEscape(String), UnclosedUnicodeName, InvalidHex, InvalidCodepointValue, InvalidClass, UnknownFlag(String), NonUnicodeUnsupported, InvalidBackref, TargetNotRepeatable, InvalidGroupName, InvalidGroupNameBackref(String), // some variants omitted
}
Expand description

An error for the result of parsing a regex pattern.

Variants§

§

GeneralParseError(String)

General parsing error

§

UnclosedOpenParen

Opening parenthesis without closing parenthesis, e.g. (a|b

§

InvalidRepeat

Invalid repeat syntax

§

RecursionExceeded

Pattern too deeply nested

§

TrailingBackslash

Backslash without following character

§

InvalidEscape(String)

Invalid escape

§

UnclosedUnicodeName

Unicode escape not closed

§

InvalidHex

Invalid hex escape

§

InvalidCodepointValue

Invalid codepoint for hex or unicode escape

§

InvalidClass

Invalid character class

§

UnknownFlag(String)

Unknown group flag

§

NonUnicodeUnsupported

Disabling Unicode not supported

§

InvalidBackref

Invalid back reference

§

TargetNotRepeatable

Quantifier on lookaround or other zero-width assertion

§

InvalidGroupName

Couldn’t parse group name

§

InvalidGroupNameBackref(String)

Invalid group id in escape sequence

Trait Implementations§

Formats the value using the given formatter. Read more
Formats the value using the given formatter. Read more

Auto Trait Implementations§

Blanket Implementations§

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Converts the given value to a String. Read more
The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.