ngZ" : '.*'` # 15
Length of Matching Substring at Beginning of String
expr match "$string" '$subst... osition} </code>
Extracts substring from $string at $position.
If the $string parameter is "*" or "@... extracts the positional parameters, [1] starting at $position.
<code>${string:position:length}</co... acts $length characters of substring from $string at $position.
<code>
stringZ=abcABC123ABCabc
#
