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Q7
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- A palindrome is a word or phrase that is identical when you read from forward or backward, such as the words “racecar” and “madam.” A standard palindrome is similar to a perfect palindrome, except that spaces and punctuation are ignored in a standard palindrome. For example, “Madam, I’m Adam” is a standard palindrome because the characters are identical forward or backward, provided you remove the spaces and punctuation marks. Write a PHP script that checks words or phrases stored in two separate string variables to determine if they are a perfect palindrome. In addition, see if you can modify the program to check for standard palindromes. create a web page with a text field and “Reset” and “Submit” buttons. When a user clicks on the submit button, show the standard and perfect palindromes of the string that was entered in the text field on the same page.A. Which statement about regular expressions is correct? a. To find all occurrences of a matching substring for a regular expression, you must add thegflag. b. By default, pattern matching using regular expressions locates all matches in the searched string. c. To find all occurrences of a matching substring for a regular expression, you must add theiflag. d. The default behavior of a regular expression is modified by adding flags to the beginning of the expression. B. After the following JavaScript statements execute, the value ofcrayonsis["pink", "blue", "green"]. let crayons = ["pink", "purple"];crayons.shift();crayons.unshift("blue", "green"); Select one: True FalseExercise Ex. 1: Find a regular expression over the alphabet { a, b} that contain exactly three a's. Ex. 2: Find a regular expression over the alphabet { a, b} that end with ab. Ex. 3: Find a regular expression over the alphabet { a, b} that has length of 3. Ex. 4: Find a regular expression over the alphabet { a, b } that contain exactly two successive a's. Ex. 5: Find the output (words) for the following regular expressions.
- Assume three String variables,name1,name2, andfirst have been declared. Also assume that name1 and name2 have been assigned values. Write code that compares name1 and name2 and assigns the one that is alphabetically greater to the variablefirst. (If the two strings are equal, assign name1 to first.)1. Write a regular expression to find the set of all strings with two consecutive repeated words (e.g., “Humbert Humbert” and “the the” but not “the bug” or “the big bug”) that may occur in a Text. 2. Write a regular expression to find all strings that start at the beginning of the line with an integer and that end at the end of the line with a word in the Text.1. "Even" Now by CodeChum Admin I'm really fond of even numbers, you know? That's why I'll be letting you make another even number problem yet again. This time, you need to print from a range of two inputted numbers, n1 and n2 (inclusive), all the even numbers from n2 down to n1, in descending order. Input 1. Value of n1 Description The first integer of the range Constraints The value of n1 is guaranteed to be lesser than or equal to n2. Sample 3 2. Value of n2 Description The second integer of the range Constraints The value of n2 is guaranteed to be greater than or equal to n1. Sample 10 Output The first line will contain a message prompt to input the value of n1. The second line will contain a message prompt to input the value of n2. The next line will contain all the even numbers from n2 down to n1. Enter · value · of · n1 : · 3Enter · value · of · n2 : · 1010 · 8 · 6 · 4
- 9. Use string methods to extract the website domain from an email, e.g., from the string "tomas.beuzen@fakemail.com", you should extract "fakemail". [) enail = "tonas. beuzengfakenail.com # Your answer here. • 10. Given the variable language which contains a string, use if/elif/else to write a program that: • return "I love snakes!" if language is "python" (any kind of capitalization) • return "Are you a pirate?" if language is "R" (any kind of capitalization) • else return "What is language ?" if language is anything else. O language = "python" # Your answer here.Find the substring using a string object.Briefly describe each of the following string object methods: Insert