.\" *
.\" Permission is hereby granted, free of charge, to any person obtaining a *
.\" copy of this software and associated documentation files (the *
.\" *
.\" Permission is hereby granted, free of charge, to any person obtaining a *
.\" copy of this software and associated documentation files (the *
case-sensitivity; and a fifth \fBint\fR flag argument specifying whether a partial
match must be a unique one (if this flag is off, a prefix matches the first
of any set of more than one list elements with that prefix). Please notice
case-sensitivity; and a fifth \fBint\fR flag argument specifying whether a partial
match must be a unique one (if this flag is off, a prefix matches the first
of any set of more than one list elements with that prefix). Please notice
the data is valid if the regular expression matches it. Regular expressions
are in the format of \fBregcomp\fR and \fBregexec\fR. Please notice
that the regular expression must match the whole field. If you have for
the data is valid if the regular expression matches it. Regular expressions
are in the format of \fBregcomp\fR and \fBregexec\fR. Please notice
that the regular expression must match the whole field. If you have for
-allow fewer digits, you may use for example "^[0-9]* *$" which is good for
-trailing spaces (up to an empty field), or "^ *[0-9]* *$" which is good for
+allow fewer digits, you may use for example "^[0\-9]* *$" which is good for
+trailing spaces (up to an empty field), or "^ *[0\-9]* *$" which is good for