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A regular expression enables a quick test to determine objects and text strings with undependable values.
RE can be used only for values of type string and number.
You can use RE, if you expect the value of a property to change in an unpredictable way each time its run.
All ___________ Are automatically treated as regular expressions.
If a ‘/’ is used before a character that has no special meaning, ‘/’ is ignored.
The regular expression denote a language comprising all possible strings of even length over the alphabet (0, 1)
The RE in which any number of 0′s is followed by any number of 1′s followed by any number of 2′s is
The regular expression have all strings of 0′s and 1′s with no two consecutive 0′s is :
The regular expression with all strings of 0′s and 1′s with at least two consecutive 0′s is:
Which of the following is NOT the set of regular expression R = (ab + abb)* bbab
Consider the production of the grammar S>AA A>aa A>bb Describe the language specified by the production grammar.
If R is regular language and Q is any language (regular/ non regular), then Pref (Q in R) is _____________
The production of the form non terminal → Λ is said to be null production.
26 videos55 docs30 tests

Regular Expressions Doc  3 pages 
Phases of a Compiler Doc  10 pages 
Symbol Table in Compiler Doc  3 pages 
Transition Diagram Doc  1 pages 
Linker Doc  2 pages 
26 videos55 docs30 tests

Regular Expressions Doc  3 pages 
Phases of a Compiler Doc  10 pages 
Symbol Table in Compiler Doc  3 pages 
Transition Diagram Doc  1 pages 
Linker Doc  2 pages 