RegexParseError Enum

Definition

Namespace:

System.Text.RegularExpressions

Assembly:

System.Text.RegularExpressions.dll

Specifies the detailed underlying reason why a RegexParseException is thrown when a regular expression contains a parsing error.

public enum class RegexParseError

public enum RegexParseError

type RegexParseError = 

Public Enum RegexParseError

Inheritance

Object

ValueType

Enum

RegexParseError

Fields

Name	Value	Description
Unknown	0	An unknown regular expression parse error.
AlternationHasTooManyConditions	1	An alternation in a regular expression has too many conditions.
AlternationHasMalformedCondition	2	An alternation in a regular expression has a malformed condition.
InvalidUnicodePropertyEscape	3	A Unicode property escape in a regular expression is invalid or unknown.
MalformedUnicodePropertyEscape	4	A Unicode property escape is malformed.
UnrecognizedEscape	5	An escape character or sequence in a regular expression is invalid.
UnrecognizedControlCharacter	6	A control character in a regular expression is not recognized.
MissingControlCharacter	7	A control character in a regular expression is missing.
InsufficientOrInvalidHexDigits	8	A hexadecimal escape sequence in a regular expression does not have enough digits, or contains invalid digits.
QuantifierOrCaptureGroupOutOfRange	9	A captured group or a quantifier in a regular expression is not within range, that is, it is larger than Int32.MaxValue.
UndefinedNamedReference	10	A used named reference in a regular expression is not defined.
UndefinedNumberedReference	11	A used numbered reference in a regular expression is not defined.
MalformedNamedReference	12	A named reference in a regular expression is malformed.
UnescapedEndingBackslash	13	A regular expression ends with a non-escaped ending backslash.
UnterminatedComment	14	A comment in a regular expression is not terminated.
InvalidGroupingConstruct	15	A grouping construct in a regular expression is invalid or malformed.
AlternationHasNamedCapture	16	An alternation construct in a regular expression uses a named capture.
AlternationHasComment	17	An alternation construct in a regular expression contains a comment.
AlternationHasMalformedReference	18	An alternation construct in a regular expression contains a malformed reference.
AlternationHasUndefinedReference	19	An alternation construct in a regular expression contains an undefined reference.
CaptureGroupNameInvalid	20	The group name of a captured group in a regular expression is invalid.
CaptureGroupOfZero	21	A regular expression defines a numbered subexpression named zero.
UnterminatedBracket	22	A regular expression has a non-escaped left square bracket, or misses a closing right square bracket.
ExclusionGroupNotLast	23	A character class in a regular expression with an exclusion group is not the last part of the character class.
ReversedCharacterRange	24	A character class in a regular expression contains an inverse character range, like z-a instead of a-z.
ShorthandClassInCharacterRange	25	A character-class in a regular expression contains a short-hand class that is not allowed inside a character class.
InsufficientClosingParentheses	26	A regular expression has a non-escaped left parenthesis, or misses a closing right parenthesis.
ReversedQuantifierRange	27	A quantifier range in a regular expression is inverse, like {10,1} instead of (1,10}.
NestedQuantifiersNotParenthesized	28	Repeated quantifiers on another quantifier inside a regular expression are not grouped in parentheses.
QuantifierAfterNothing	29	A quantifier in a regular expression is in a position where it cannot quantify anything, like at the beginning of a regular expression or in a group.
InsufficientOpeningParentheses	30	A regular expression has a non-escaped right parenthesis, or misses an opening left parenthesis.
UnrecognizedUnicodeProperty	31	A unicode property in a regular expression is not recognized, or invalid.

Remarks

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