* NEW: Backreference validity checker (?(xxx)) (*original)
* NEW: Absent repeater (?~absent)
* NEW: Absent expression (?~|absent|expr) (*original)
-* NEW: Absent range cutter (?~|absent) (*original)
+* NEW: Absent stopper (?~|absent) (*original)
New feature of version 6.4.0
-Oniguruma Regular Expressions Version 6.6.0 2017/08/15
+Oniguruma Regular Expressions Version 6.6.0 2017/08/16
syntax: ONIG_SYNTAX_RUBY (default)
ex. (?~|345|\d*) "12345678" ==> "12", "1", ""
- (?~|absent) Absent cutter (* original)
+ (?~|absent) Absent stopper (* original)
After passed this operator, string right range is limited
at the point that does not include the string match whth
<absent>.
(?~|) Absent clear
- Clear the effects caused by Absent cutters.
+ Clear the effects caused by Absent stoppers.
* Nested Absent functions are not supported and the behavior
is undefined.