Regular Expression Homework

Write a regular expression that will match any word that beginsand ends with a capital letter. (For exampleMooN matches, SUNDAYS matches,hello does not match, CSC126 doesnot match)

Write a regular expression that begins with a digit, ends with adigit and has 3 to 5 characters (any, except digits) between thetwo digits. We did not cover negation but the ^ inside acharacter class means negation. So [^abc] matches anything EXCEPTan a b or c.

(We will cover on Monday!) Write a regular expression thatbegins and ends with the SAME capital letter. SoSUNDAYS matches but MooN doesnot!!

Write a regular expression that will match (from beginning toend) the full words in the positive list but will not match (atall!) the words in the negative list:

POSITIVE LIST	NEGATIVE LIST
voted	tried
toddle	true
teddy	trundle
patted	tea

Write a regular expression that matches a CSI email address. Theemail address has the users firstname, then a period, the userslast name, the @ symbol and then either cix.csi.cuny.edu orcsi.cuny.edu

sarah.zelikovitz@csi.cuny.edu matches

sar.zel1@cix.csi.cuny.edu matches (sometimes two people have thesame name so numbers are added)

s.zelikovitz@(g)mail.com does not match (not a csi email)

s.zelikovitz@csi.cuny.edu matches (it is fine to have a oneletter first name!)

sarah.zelikovitz@rutgers.edu does not match (not a csiemail)

szelikovitz@cix.csi.cuny.edu does not match (nofirstname.lastname)

Copy and paste your php script and give a url so that I can tryit out! Given a string that has text with two dates in Aprilsomewhere in the text. For example, the text might be

$textLine = "Both dates are in April! April 2,".

" 1996 and April 12, 2009";

Use preg_match to print out the month, day and year on separatelines:

April

2

1996

April

12

2009

Extra credit: Use other string functions to do the same as thepreg_match code above!