RegexError

Added in version 2.14.

class RegexError

Error codes returned by regular expressions functions.

Fields

class RegexError
ASSERTION_EXPECTED

Assertion expected after “(?(“. Since 2.16

BACKTRACKING_CONTROL_VERB_ARGUMENT_FORBIDDEN

The backtracing control verb used does not allow an argument. Since: 2.34

BACKTRACKING_CONTROL_VERB_ARGUMENT_REQUIRED

The backtracing control verb requires an argument. Since: 2.34

CHARACTER_VALUE_TOO_LARGE

The character value in the \u sequence is too large. Since: 2.34

COMPILE

Compilation of the regular expression failed.

DEFINE_REPETION

Repeating a “DEFINE” group is not allowed. This error is never raised. Since: 2.16 Deprecated: 2.34

DUPLICATE_SUBPATTERN_NAME

Two named subpatterns have the same name. Since 2.16

EXPRESSION_TOO_LARGE

Regular expression too large. Since 2.16

EXTRA_SUBPATTERN_NAME

Different names for subpatterns of the same number are not allowed. Since: 2.34

HEX_CODE_TOO_LARGE

Character value in “\x{…}” sequence is too large. Since 2.16

INCONSISTENT_NEWLINE_OPTIONS

Inconsistent newline options. Since 2.16

INEXISTENT_SUBPATTERN_REFERENCE

Reference to non-existent subpattern. Since 2.16

INFINITE_LOOP

Recursive call could loop indefinitely. Since 2.16

INTERNAL

Internal error of the regular expression engine. Since 2.16

INVALID_CONDITION

Invalid condition “(?(0)”. Since 2.16

INVALID_CONTROL_CHAR

“\c” must be followed by an ASCII character. Since: 2.34

INVALID_DATA_CHARACTER

In JavaScript compatibility mode, “[” is an invalid data character. Since: 2.34

INVALID_ESCAPE_IN_CHARACTER_CLASS

Invalid escape sequence in character class. Since 2.16

INVALID_OCTAL_VALUE

Octal value is greater than “\377”. Since 2.16

INVALID_RELATIVE_REFERENCE

Relative reference must not be zero. Since: 2.34

MALFORMED_CONDITION

Malformed number or name after “(?(“. Since 2.16

MALFORMED_PROPERTY

Malformed “\P” or “\p” sequence. Since 2.16

MATCH

The match process failed.

MEMORY_ERROR

Failed to get memory. Since 2.16

MISSING_BACK_REFERENCE

“\g” is not followed by a braced, angle-bracketed, or quoted name or number, or by a plain number. Since: 2.16

MISSING_CONTROL_CHAR

“\c” at end of pattern. Since 2.16

MISSING_DIGIT

Missing digit. Since 2.34

MISSING_NAME

“\k” is not followed by a braced, angle-bracketed, or quoted name. Since: 2.34

MISSING_SUBPATTERN_NAME

Missing subpattern name. Since: 2.34

MISSING_SUBPATTERN_NAME_TERMINATOR

Missing terminator in subpattern name. Since 2.16

NAME_TOO_LONG

The name is too long in “(*MARK)”, “(*PRUNE)”, “(*SKIP)”, or “(*THEN)”. Since: 2.34

NOTHING_TO_REPEAT

Nothing to repeat. Since 2.16

NOT_SUPPORTED_IN_CLASS

“\N” is not supported in a class. Since: 2.34

NUMBER_TOO_BIG

Number is too big in escape sequence. Since: 2.34

OPTIMIZE

Optimization of the regular expression failed.

POSIX_COLLATING_ELEMENTS_NOT_SUPPORTED

POSIX collating elements are not supported. Since 2.16

POSIX_NAMED_CLASS_OUTSIDE_CLASS

POSIX named classes are supported only within a class. Since 2.16

QUANTIFIERS_OUT_OF_ORDER

Numbers out of order in “{}” quantifier. Since 2.16

QUANTIFIER_TOO_BIG

Number too big in “{}” quantifier. Since 2.16

RANGE_OUT_OF_ORDER

Range out of order in character class. Since 2.16

REPLACE

Replacement failed due to an ill-formed replacement string.

SINGLE_BYTE_MATCH_IN_LOOKBEHIND

\C not allowed in lookbehind assertion. Since 2.16

STRAY_BACKSLASH

“\” at end of pattern. Since 2.16

SUBPATTERN_NAME_TOO_LONG

Subpattern name is too long (maximum 32 characters). Since 2.16

TOO_MANY_BRANCHES_IN_DEFINE

“DEFINE” group contains more than one branch. Since 2.16

TOO_MANY_CONDITIONAL_BRANCHES

Conditional group contains more than two branches. Since 2.16

TOO_MANY_FORWARD_REFERENCES

Too many forward references. Since: 2.34

TOO_MANY_SUBPATTERNS

Too many named subpatterns (maximum 10,000). Since 2.16

UNKNOWN_BACKTRACKING_CONTROL_VERB

Unknown backtracing control verb. Since: 2.34

UNKNOWN_POSIX_CLASS_NAME

Unknown POSIX class name. Since 2.16

UNKNOWN_PROPERTY

Unknown property name after “\P” or “\p”. Since 2.16

UNMATCHED_PARENTHESIS

Missing terminating “)” or “)” without opening “(”. Since 2.16

UNRECOGNIZED_CHARACTER

Unrecognized character after “(?”, “(?<” or “(?P”. Since 2.16

UNRECOGNIZED_ESCAPE

Unrecognized character follows “\”. Since 2.16

UNTERMINATED_CHARACTER_CLASS

Missing terminating “]” for character class. Since 2.16

UNTERMINATED_COMMENT

Missing terminating “)” after comment. Since 2.16

VARIABLE_LENGTH_LOOKBEHIND

Lookbehind assertion is not fixed length. Since 2.16