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How to reverse a string in Perl
okwudili onyejiaku
Overview
In Perl, the reverse() function is used to reverse a string.
Syntax
scalar reverse(string)
Parameters
This function takes the parameter, string, which represents the string we want to reverse.
Return Value
It returns a string in the reverse order of the values of string, passed as a parameter to the reverse() function.
Example
# create strings @str1 = "osserpdE"; @str2 = "si"; @str3 = "!tseb eht"; # reverse strings @r1 = scalar reverse @str1; @r2 = scalar reverse @str2; @r3 = scalar reverse @str3; # print reversed strings. print "@r1\n"; print "@r2\n"; print "@r3\n";
Reverse a String in Perl
Explanation
- Lines 2–4: We create the strings
@str1,@str2, and@str3. - Lines 7–9: We use the
reverse()method to reverse the strings, and save the results. - Lines 12–14: We print the output to the console.
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okwudili onyejiaku
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