Another update from ingydotnet^djgoku

Task/String-comparison/AppleScript/string-comparison.applescript

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+--Comparing two strings for exact equality
+set s1 to "this"
+set s2 to "that"
+if s1 is s2 then
+	-- strings are equal
+end if
+
+--Comparing two strings for inequality (i.e., the inverse of exact equality)
+if s1 is not s2 then
+	-- string are not equal
+end if
+
+-- Comparing two strings to see if one is lexically ordered before than the other
+if s1 < s2 then
+	-- s1 is lexically ordered before s2
+end if
+
+-- Comparing two strings to see if one is lexically ordered after than the other
+if s1 > s2 then
+	-- s1 is lexically ordered after s2
+end if
+
+-- How to achieve both case sensitive comparisons and case insensitive comparisons within the language
+set s1 to "this"
+set s2 to "This"
+
+considering case
+	if s1 is s2 then
+		-- strings are equal with case considering
+	end if
+end considering
+
+ignoring case -- default
+	if s2 is s2 then
+		-- string are equal without case considering
+	end if
+end ignoring
+
+-- Demonstrate any other kinds of string comparisons that the language provides, particularly as it relates to your type system. For example, you might demonstrate the difference between generic/polymorphic comparison and coercive/allomorphic comparison if your language supports such a distinction.
+
+-- When comparing the right object is coerced into the same type as the object left from the operator. This implicit coercion enables to compare integers with strings (containining integer values).
+
+set s1 to "3"
+set int1 to 2
+
+if s1 < int1 then
+	-- comparison is lexically
+end if
+
+if int1 < s1 then
+	-- comparison is numeric
+end if