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lsearch - See if a list contains a particular element
lsearch ?mode? list pattern _________________________________________________________________
This command
searches the elements of list to see if one of them
matches pattern. If so, the command returns the index
of the first matching element. If not, the command returns
-1. The mode argument │
indicates how the elements of the list are to be matched
against │ pattern and it must have
one of the following values: │
-exact │
The list element must contain exactly the same string as │ pattern. │
-glob │
Pattern is a glob-style pattern which is matched against each │ list element using the same rules as the string match command. │
-regexp │
Pattern is treated as a regular expression and matched against │ each list element using the same rules as the regexp command. │
If mode is omitted then it defaults to -glob.
list, match, pattern, regular expression, search, string