Tcl/Tk 8.5 Programming Cookbook

Searching a list

As with any data contained within a program, it is the ability to locate and use that data that makes the program usable. To accomplish this, Tcl provides not only a command, but also a full complement of option flags to tailor the search. The lsearch command allows us to search a list to determine if it contains a particular element. Before we explore the syntax, we will first need to understand the options. The options are as follows:

Type of option	Option name	Interpretation
Matching style options	-exact	The pattern is a literal string that is compared against each element.
	-glob	The pattern is a glob-style pattern that is matched against each element in the same manner, as a string match.
	-regexp	The pattern ...