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String comparison: Difference between revisions
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''cm'' is used for comparision which returns 1,0,-1 like C's strcmp. ''=='' is Equal and ''!='' is NotEqual.
=={{header|D}}==
See also [[Empty_string]]
<lang d>import std.stdio, std.string, std.algorithm;
void main() {
auto s = "abcd";
/* Comparing two strings for exact equality */
assert (s == "abcd"); // same object
/* Comparing two strings for inequality */
assert(s != "ABCD"); // different objects
/* Comparing the lexical order of two strings;
-1 means smaller, 0 means equal, 1 means larger */
assert(s.icmp("Bcde") == -1); // case insensitive
assert(s.cmp("Bcde") == 1); // case sensitive
assert(s.icmp("Aabc") == 1); // case insensitive
assert(s.cmp("Aabc") == 1); // case sensitive
assert(s.icmp("ABCD") == 0); // case insensitive
assert(s.cmp("ABCD") == 1); // case sensitive
}</lang>
=={{header|J}}==
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