^J (newline) r ^M (carriage return) (Web site design) t ^I
^J (newline) r ^M (carriage return) t ^I (tab) v ^K (vertical tab) nnn Character with octal value nnn. \ Literal backslash. char1-char2 All characters in the range char1 through char2. If char1 does not sort before char2, produce an error. [char1-char2] Same as char1-char2 if both strings use this. [char*] In string2, expand char to the length of string1. [char*number] Expand char to number occurrences. [x*4] expands to xxxx, for instance. [:class:] Expand to all characters in class, where class can be: alnum Letters and digits alpha Letters blank Whitespace cntrl Control characters digit