<s>
wildmat	B-Algorithm
is	O
a	O
pattern	B-Language
matching	I-Language
library	O
developed	O
by	O
Rich	B-Application
Salz	I-Application
.	O
</s>
<s>
Based	O
on	O
the	O
wildcard	B-Algorithm
syntax	I-Algorithm
already	O
used	O
in	O
the	B-Device
Bourne	I-Device
shell	I-Device
,	O
wildmat	B-Algorithm
provides	O
a	O
uniform	O
mechanism	O
for	O
matching	O
patterns	O
across	O
applications	O
with	O
simpler	O
syntax	O
than	O
that	O
typically	O
offered	O
by	O
regular	B-Language
expressions	I-Language
.	O
</s>
<s>
In	O
June	O
2019	O
,	O
Rich	B-Application
Salz	I-Application
released	O
the	O
original	O
version	O
of	O
the	O
now-defunct	O
library	O
on	O
GitHub	B-Application
under	O
a	O
public	O
domain	O
dedication	O
.	O
</s>
<s>
There	O
are	O
five	O
pattern	B-Language
matching	I-Language
operations	O
other	O
than	O
a	O
strict	O
one-to-one	O
match	O
between	O
the	O
pattern	O
and	O
the	O
source	O
to	O
be	O
checked	O
for	O
a	O
match	O
.	O
</s>
<s>
Asterisk	O
( *	O
)	O
to	O
match	O
any	O
sequence	O
of	O
zero	O
or	O
more	O
characters	O
.	O
</s>
<s>
Question	O
mark	O
(	O
?	B-Device
)	O
</s>
<s>
(	O
NNTP	B-Protocol
specifies	O
an	O
alternative	O
!	O
.	O
</s>
<s>
???	O
</s>
<s>
*	B-Device
matches	O
any	O
string	O
of	O
three	O
and	O
more	O
letters	O
.	O
</s>
<s>
 [ 0-9a-zA-Z ] 	O
matches	O
every	O
single	O
alphanumeric	O
ASCII	B-Protocol
character	I-Protocol
.	O
</s>
<s>
wildmat	B-Algorithm
is	O
most	O
commonly	O
seen	O
in	O
NNTP	B-Protocol
implementations	O
such	O
as	O
Salz	O
's	O
own	O
INN	B-Application
,	O
also	O
in	O
unrelated	O
software	O
such	O
as	O
GNU	B-Operating_System
tar	O
and	O
Transmission	B-Language
.	O
</s>
<s>
GNU	B-Operating_System
tar	O
replaced	O
wildmat	B-Algorithm
with	O
the	O
POSIX	O
fnmatch	B-Language
glob	B-Language
matcher	O
in	O
September	O
1992	O
.	O
</s>
<s>
The	O
original	O
byte	O
oriented	O
wildmat	B-Algorithm
implementation	O
is	O
unable	O
to	O
handle	O
multibyte	O
character	O
sets	O
,	O
and	O
poses	O
problems	O
when	O
the	O
text	O
being	O
searched	O
may	O
contain	O
multiple	O
incompatible	O
character	O
sets	O
.	O
</s>
<s>
A	O
simplified	O
version	O
of	O
wildmat	B-Algorithm
oriented	O
toward	O
UTF-8	O
encoding	O
has	O
been	O
developed	O
by	O
the	O
IETF	O
NNTP	B-Protocol
working	O
group	O
.	O
</s>
<s>
It	O
is	O
a	O
part	O
of	O
(	O
section	O
4	O
)	O
,	O
the	O
2006	O
standard	O
for	O
NNTP	B-Protocol
.	O
</s>
<s>
In	O
the	O
newer	O
INN	B-Application
which	O
supports	O
UTF-8	O
,	O
a	O
"	O
uwildmat	O
"	O
was	O
added	O
which	O
supports	O
all	O
the	O
features	O
of	O
wildmat	B-Algorithm
.	O
</s>
<s>
Rsync	B-Application
includes	O
a	O
GPLv3-licensed	O
wildmat	B-Algorithm
descendant	O
known	O
as	O
wildmatch	O
,	O
modified	O
by	O
Wayne	O
Davison	O
.	O
</s>
<s>
The	O
Git	B-Application
version	I-Application
control	I-Application
system	I-Application
imports	O
and	O
makes	O
use	O
of	O
it	O
.	O
</s>
<s>
It	O
does	O
not	O
support	O
UTF-8	O
,	O
but	O
has	O
the	O
OOB	O
fixed	O
and	O
has	O
additional	O
support	O
for	O
character	O
classes	O
and	O
star	O
globs	B-Language
( **	O
for	O
arbitrary-depth	O
)	O
.	O
</s>
