The match-beginning-of-line operator always fails to match (but see the
compilation flag
.B REG_NEWLINE
-above)
+above).
This flag may be used when different portions of a string are passed to
.BR regexec ()
and the beginning of the string should not be interpreted as the
The match-end-of-line operator always fails to match (but see the
compilation flag
.B REG_NEWLINE
-above)
+above).
.SS Byte offsets
Unless
.B REG_NOSUB
Un-matched parenthesis group operators.
.TP
.B REG_ERANGE
-Invalid use of the range operator, e.g., the ending point of the range
+Invalid use of the range operator; for example, the ending point of the range
occurs prior to the starting point.
.TP
.B REG_ESIZE