GPL_REGULAREXPRESSIONERROR_SYNTAX_ERROR
(The pattern string had syntax errors.)
GPL_REGULAREXPRESSIONERROR_TOO_BIG
(The pattern string exceeded the capacity of the regular expression (e.g., too many sub-expressions).)
GPL_REGULAREXPRESSIONERROR_OUT_OF_MEMORY
(The regular expression was unable to allocate memory.)
GPL_REGULAREXPRESSIONERROR_EMPTY_REPETITION
(The pattern string contained a repetition meta-character that did not follow a sub-string.)
GPL_REGULAREXPRESSIONERROR_UNBALANCED
(The pattern string had unterminated character ranges or sub-expressions.)
GPL_REGULAREXPRESSIONERROR_NESTED_REPETITION
(The pattern string contained nested repetition meta-characters.)
GPL_REGULAREXPRESSIONERROR_INVALID_RANGE
(The pattern string contained an invalid character range.)
GPL_REGULAREXPRESSIONERROR_TRAILING_ESCAPE
(The pattern string had a trailing '\\'.)
GPL_REGULAREXPRESSIONERROR_INTERNAL_ERROR
(The regular expression encountered an internal error.)