Perl | uc() Function
uc() function in Perl returns the string passed to it after converting it into uppercase. It is similar to ucfirst() function which returns only first character in uppercase.
Note: The characters which are already in UpperCase are not modified.
Syntax: uc String
Returns: string in uppercase.
Example 1:
#!/usr/bin/perl -w # String to be converted to UPPERCASE $string = "geeksfOrGeeks"; print "Original String: $string\n"; # Converting the string to # UPPERCASE using uc() function $UPPER_STRING = uc($string); print "Modified String: $UPPER_STRING"; |
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Output:
Original String: geeksfOrGeeks Modified String: GEEKSFORGEEKS
Example 2:
#!/usr/bin/perl -w # String to be converted to UPPERCASE $string = "WelComEToGeeKS"; print "Original String: $string\n"; # Converting the string to # UPPERCASE using uc() function $UPPER_STRING = uc($string); print "Modified String: $UPPER_STRING"; |
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Output:
Original String: WelComEToGeeKS Modified String: WELCOMETOGEEKS
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