This class provides support for regular expressions matching and also
replacement. It is built on top of either the system library (if it has support
for POSIX regular expressions - which is the case of the most modern Unices) or
This class provides support for regular expressions matching and also
replacement. It is built on top of either the system library (if it has support
for POSIX regular expressions - which is the case of the most modern Unices) or