Regular Expression Problems
Carrot on a Stick Given a list of numbers, print only the even numbers. |
Hello Regexp Write a regular expression that will match texts like “Hello {X}” and only output “{X}” (w/o quotes)... |
In Brackets Given a line of text, you have to extract the bit of text enclosed within a pair of brackets. There ... |
Odd Screams You will be given a string with one or more a’s. You have to write a regular expression that matches... |
Pairexp Given two numbers, print the number only if both numbers are the same. |
Regular Brackets This problem is matching brackets, but with regular expression. Given a set of parenthesis, if they ... |
That One In the input you will have an integer n (where n is 1, 2, or 3) followed by 3 words. You will have t... |
Three Letter Words Given a line of text find all the three-letter words. |
Two Words Given a line of text (space-separated words), find the first word that appears at least twice in the... |
Vowels Bad, Consonants Good You will be given a line of text. The text will contain space separated words. Identify all the word... |
Within the Span You will be given a snippet of HTML. The HTML will have at most one <span> element. You will have to... |
Tags
2Sat, Adhoc, ApolloneasTheorem, Backtracking, BFS, Bignum, BinarySearch, BipartiteMatching, Bitmask, BruteForce, ChineseRemainderTheorem, Combinatorics, ConvexHull, CutVertex, DataStructure, DFS, DigitDP, DisjointSets, DivideAndConquer, DP, Eertree, EulerTour, ExpectedValue, FenwickTree, FFT, Flow, Game, GCD, Geometry, Graph, Greedy, Hashing, HeavyLightDecomposition, Implementation, InclusionExclusion, Interactive, KnuthMorrisPratt, LowestCommonAncestor, Math, Matrix, MatrixExponentiation, MergeSortTree, ModularExponentiation, MOSAlgorithm, MST, NTT, NumberTheory, Parsing, PersistentLiChaoTree, PersistentSegmentTree, PollardRho, PriorityQueue, Probability, Queue, RabinMiller, RangeOrderStatistics, Scheduling, SegmentTree, ShortestPath, Simulation, Sorting, SparseTable, SpragueGrundyTheorem, SqrtDecomposition, Stack, String, StronglyConnectedComponents, SuffixStructure, TernarySearch, Tree, Trie, TwoPointer, WaveletTree
