Write the RE for identifiers that can consist of any sequence of letters (l) or digit...

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Programming

Write the RE for identifiers that can consist of any sequence ofletters (l) or digit (d) or \"_\" but the first char must be a letterand the last char cannot be a \"_\"

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So as given in the question weneed to write a Regular Expression RE whichconsists of any sequence of letters we representletters as l or any sequence ofdigits we represent digits as d orthe particular symbol Here a condition isgiven that is the first char or symbol must be aletter which means must be l andnot any digit d or symbol Also thelast char or symbol can not be the symbol So what can our language be Let us first see the language withexamples Language L can be l ld ll ld ll See Answer

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Write the RE for identifiers that can consist of any sequence of letters (l) or digit...

90.2K

Verified Solution

Question

Programming

Write the RE for identifiers that can consist of any sequence ofletters (l) or digit (d) or \"_\" but the first char must be a letterand the last char cannot be a \"_\"

Answer & Explanation Solved by verified expert

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