Define a regular expression in JAVA for the following
An "Ent" is an at sign '@',...
Define a regular expression in JAVA for the following
An "Ent" is an at sign '@', followed by one or more
decimal
digits '0' through '9' or uppercase letters 'R' through 'W',
followed by an octothorpe sign '#'
create a regular expression in Java that defines the
following.
A "Stir" is a right brace '}' followed by zero or more
lowercase letters 'a' through 'z' and decimal digits '0'
through '9', followed by a left parenthesis '('.
: Create a Java program that will accept a regular expression
and a filename for a text file. The program will process the file,
looking at every line to find matches for the regular expression
and display them.
Regular Expression Format : The following operators need to be
accepted:
+ - one or more of the following character (no groups)
* - zero or more of the following character (no groups)
[] – no negation, no character spans – the...
1. Define a regular expression for validating each of
the following:
a. A U.S. zip code, which must have five digits,
followed by an optional hyphen and four digits.
b. A telephone number in the format (aaa) nnn-nnnn,
where aaa represents the area code and the ns represent digits.
c. A date in the form of day-month-year, where the
month is a three-letter code and the year is four digits. A hyphen
must separate the day and month and year...
Unix / Linux
16.
Regular Expression:
Given the following regular expression, provide a description of
the intended match.
^[^A-Z]
17.
Regular Expression:
Given the following regular expression, provide a description of
the intended match.
[^^!]
18.
Regular Expression:
Given the following regular expression, provide a description of
the intended match.
^.\{72\}$
19.
Regular Expression:
Given the following regular expression, provide a description of
the intended match.
[A-Za-z0-9]
20.
Regular Expression:
Given the following regular expression, provide a description of
the...
Consider the following regular expression meta operators:
( ) [ ] { } . * + ? ^ $ | \
For each of the following, give one example of strings which the
regular expression would match.
Describe (colloquially, in a manner that a non-technical person
would understand) the set of strings that the pattern is designed
to match.
Each regular expression is enclosed in the pair of '/'
characters below.
[2 marks each]
(a) /^[a-z][0-9]*\.$/
(b) /([0-9]+)\s\w+\s\1/
1. What is a regular expression? Write a regular expression that
will detect “College” and “collegE”.
2. What is degree centrality? Create a graph of 4 vertices and
compute the degree centrality of the vertices.
3. Compute internal and external community densities for a graph
containing 6 nodes. You can create any graph of 6 nodes with at
least 4 edges.
Write a JAVA program that reads a text file into RAM efficiently,
takes a regular expression from the user, and then prints every
line that matches the RE.
If you would define a rule for creating a variable in C using
regular expression, how would you write it?
If you need to skip statements in for or
while loops and go to the next iteration, what
statement will you use?
In respect to users and processes, how would you define Linux
OS?
Write a
regular expression, using the regular expression syntax used by
lex, that matches any finite decimal representation of a
nonnegative real number.
Regular Expressions Assignment
Write a regular expression for each of the following. Can you
show output please.
A blank line (may contain spaces)
Postal abbreviation (2 letters) for State followed by a space
and then the 5-digit zip code
A KU student username (Ex. lpork247)
A “valid” email address (also explain how you defined
“valid”)
A SSN pattern (ddd-dd-dddd)