How to Check If A String Is a Number (Numeric) using Regex (C++/Javascript) ?
Validate if a given string can be interpreted as a decimal number. Some examples: “0” => true ” 0.1 ” => true “abc” => false “1 a” => false …
Category: string
How to Split a String in Balanced Strings?
Balanced strings are those who have equal quantity of ‘L’ and ‘R’ characters. Given a balanced string s split it in the maximum amount of balanced strings. Return the …
How to Reverse Substrings Between Each Pair of Parentheses using Stack?
You are given a string s that consists of lower case English letters and brackets. Reverse the strings in each pair of matching parentheses, starting from the innermost one. …
Sliding Window to Get Equal Substrings Within MaxCost Budget
You are given two strings s and t of the same length. You want to change s to t. Changing the i-th character of s to i-th character of …
How to Find the Most Common Word in a String with a Banned List?
Given a paragraph and a list of banned words, return the most frequent word that is not in the list of banned words. It is guaranteed there is at …