Regular Expressions (ex. 1 to 33)

+ Finished Regular Expressions module

Author: hgonzaga

03-regular-expressions/01-using-the-test-method.js

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+/*
+Using the Test Method:
+Apply the regex myRegex on the string myString using the .test() method.
+
+- You should use .test() to test the regex.
+- Your result should return true.
+ */
+let myString = "Hello, World!";
+let myRegex = /Hello/;
+let result = myRegex.test(myString); // Changed this line

03-regular-expressions/02-match-literal-strings.js

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+/*
+Match Literal Strings:
+Complete the regex waldoRegex to find "Waldo" in the string waldoIsHiding with a literal match.
+
+- Your regex waldoRegex should find the string Waldo
+- Your regex waldoRegex should not search for anything else.
+- You should perform a literal string match with your regex.
+ */
+let waldoIsHiding = "Somewhere Waldo is hiding in this text.";
+let waldoRegex = /Waldo/; // Changed this line
+let result = waldoRegex.test(waldoIsHiding);

03-regular-expressions/03-match-a-literal-string-with-different-possibilities.js

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+/*
+Match a Literal String with Different Possibilities:
+Complete the regex petRegex to match the pets dog, cat, bird, or fish.
+
+- Your regex petRegex should return true for the string John has a pet dog.
+- Your regex petRegex should return false for the string Emma has a pet rock.
+- Your regex petRegex should return true for the string Emma has a pet bird.
+- Your regex petRegex should return true for the string Liz has a pet cat.
+- Your regex petRegex should return false for the string Kara has a pet dolphin.
+- Your regex petRegex should return true for the string Alice has a pet fish.
+- Your regex petRegex should return false for the string Jimmy has a pet computer.
+ */
+let petString = "James has a pet cat.";
+let petRegex = /dog|cat|bird|fish/; // Changed this line
+let result = petRegex.test(petString);

03-regular-expressions/04-ignore-case-while-matching.js

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+/*
+Ignore Case While Matching:
+Write a regex fccRegex to match freeCodeCamp, no matter its case. Your regex should not match any abbreviations or variations with spaces.
+
+- Your regex should match the string freeCodeCamp
+- Your regex should match the string FreeCodeCamp
+- Your regex should match the string FreecodeCamp
+- Your regex should match the string FreeCodecamp
+- Your regex should not match the string Free Code Camp
+- Your regex should match the string FreeCOdeCamp
+- Your regex should not match the string FCC
+- Your regex should match the string FrEeCoDeCamp
+- Your regex should match the string FrEeCodECamp
+- Your regex should match the string FReeCodeCAmp
+*/
+let myString = "freeCodeCamp";
+let fccRegex = /freeCodeCamp/i; // Changed this line
+let result = fccRegex.test(myString);

03-regular-expressions/05-extract-matches.js

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+/*
+Extract Matches:
+Apply the .match() method to extract the string coding.
+
+- The result should have the string coding
+- Your regex codingRegex should search for the string coding
+- You should use the .match() method.
+ */
+let extractStr = "Extract the word 'coding' from this string.";
+let codingRegex = /coding/; // Changed this line
+let result = extractStr.match(codingRegex); // Changed this line

03-regular-expressions/06-find-more-than-the-first-match.js

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+/*
+Find More Than the First Match:
+Using the regex starRegex, find and extract both Twinkle words from the string twinkleStar.
+
+Note: You can have multiple flags on your regex like /search/gi
+
+- Your regex starRegex should use the global flag g
+- Your regex starRegex should use the case-insensitive flag i
+- Your match should match both occurrences of the word Twinkle
+- Your match result should have two elements in it.
+ */
+let twinkleStar = "Twinkle, twinkle, little star";
+let starRegex = /twinkle/gi; // Changed this line
+let result = twinkleStar.match(starRegex); // Changed this line

03-regular-expressions/07-match-anything-with-wildcard-period.js

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+/*
+Match Anything with Wildcard Period:
+Complete the regex unRegex so that it matches the strings run, sun, fun, pun, nun, and bun. Your regex should use the wildcard character.
+
+- You should use the .test() method.
+- You should use the wildcard character in your regex unRegex
+- Your regex unRegex should match run in the string Let us go on a run.
+- Your regex unRegex should match sun in the string The sun is out today.
+- Your regex unRegex should match fun in the string Coding is a lot of fun.
+- Your regex unRegex should match pun in the string Seven days without a pun makes one weak.
+- Your regex unRegex should match nun in the string One takes a vow to be a nun.
+- Your regex unRegex should match bun in the string She got fired from the hot dog stand for putting her hair in a bun.
+- Your regex unRegex should not match the string There is a bug in my code.
+- Your regex unRegex should not match the string Catch me if you can.
+*/
+let exampleStr = "Let's have fun with regular expressions!";
+let unRegex = /.un/; // Changed this line
+let result = unRegex.test(exampleStr);

03-regular-expressions/08-match-single-character-with-multiple-possibilities.js

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+/*
+Match Single Character with Multiple Possibilities:
+Use a character class with vowels (a, e, i, o, u) in your regex vowelRegex to find all the vowels in the string quoteSample.
+
+Note: Be sure to match both upper- and lowercase vowels.
+
+- You should find all 25 vowels.
+- Your regex vowelRegex should use a character class.
+- Your regex vowelRegex should use the global flag.
+- Your regex vowelRegex should use the case-insensitive flag.
+- Your regex should not match any consonants.
+*/
+let quoteSample = "Beware of bugs in the above code; I have only proved it correct, not tried it.";
+let vowelRegex = /[aeiou]/gi; // Changed this line
+let result = quoteSample.match(vowelRegex); // Changed this line

03-regular-expressions/09-match-letters-of-the-alphabet.js

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+/*
+Match Letters of the Alphabet:
+Match all the letters in the string quoteSample.
+
+Note: Be sure to match both uppercase and lowercase letters.
+
+- Your regex alphabetRegex should match 35 items.
+- Your regex alphabetRegex should use the global flag.
+- Your regex alphabetRegex should use the case-insensitive flag.
+*/
+let quoteSample = "The quick brown fox jumps over the lazy dog.";
+let alphabetRegex = /[a-z]/gi; // Changed this line
+let result = quoteSample.match(alphabetRegex); // Changed this line

03-regular-expressions/10-match-numbers-and-letters-of-the-alphabet.js

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+/*
+Match Numbers and Letters of the Alphabet:
+Create a single regex that matches a range of letters between h and s, and a range of numbers between 2 and 6. Remember to include the appropriate flags in the regex.
+
+- Your regex myRegex should match 17 items.
+- Your regex myRegex should use the global flag.
+- Your regex myRegex should use the case-insensitive flag.
+*/
+let quoteSample = "Blueberry 3.141592653s are delicious.";
+let myRegex = /[h-s2-6]/gi; // Changed this line
+let result = quoteSample.match(myRegex); // Changed this line