Regular Expressions are a shorthand notation for indicating how to build strings in a language. Which of the following is NOT true about notational shortcuts used by Regular Expressions? |:| Concatenation is the process of putting two strings together to build a new string. For concatenation. the string on the left is immediately folhwed by the one on the right. Giyen strings sol and to; the result is mull} tog. abc concatenated with eye becomes abczy'it]. I] There are no other shorthand symbols used in regular expressions than those listed here. I] The Kleene closure indicates zero or more occurrences of the string to which it applies [e.g.. a' or {albl'} I] Union allows for multiple altematiyes in a given situation. The normal notation is either a '=' or a '|' symbol. For example. a | b means to take either 'a' or 'b'. Expressions are then combined with parenthesis to act as grouping symbols