parser.parse.1=Wrong character.
parser.parse.2=Invalid reference number.
parser.next.1=A character is required after \\.
parser.next.2='?' is not expected.  '(?:' or '(?=' or '(?!' or '(?<' or '(?#' or '(?>'?
parser.next.3='(?<=' or '(?<!' is expected.
parser.next.4=A comment is not terminated.
parser.factor.1=')' is expected.
parser.factor.2=Unexpected end of the pattern in a modifier group.
parser.factor.3=':' is expected.
parser.factor.4=Unexpected end of the pattern in a conditional group.
parser.factor.5=A back reference or an anchor or a lookahead or a lookbehind is expected in a conditional pattern.
parser.factor.6=There are more than three choises in a conditional group.
parser.atom.1=A character in U+0040-U+005f must follow \\c.
parser.atom.2=A Category character or '{' is required.
parser.atom.3=A property name is not closed by '}'.
parser.atom.4=Unexpected meta character.
parser.atom.5=Unknown property.
parser.cc.1=A POSIX character class must be closed by ':]'.
parser.cc.2=Unexpected end of the pattern in a character class.
parser.cc.3=Unknown name for a POSIX character class.
parser.cc.4='-' is invalid here.
parser.cc.5=']' is expected.
parser.cc.6='[' is invalid in a characer class.  Write '\\['.
parser.cc.7=']' is invalid in a characer class.  Write '\\]'.
parser.ope.1='[' is expected.
parser.ope.2=')' or '-[' or '+[' or '&[' is expected.
parser.descape.1=Invalid Unicode hex notation.
parser.descape.2=Overflow in a hex notation.
parser.descape.3='\\x{' must be closed by '}'.
parser.descape.4=Invalid Unicode code point.
parser.descape.5=An anchor must not be here.
parser.process.1=This expression is not supported in the current option setting.