2.3.8. - String Patterns and Wild Cards
For the commands
lscmd,
lsdef,
prdef
and
syms,
if the characters
?
or
*
appear in the arguments, the argument is taken as a pattern.
Only information about those commands, macros or symbols that
match the pattern is displayed.
In forming the pattern, the character
? matches any single character, while
* matches any string of characters, including the null string.