Can I SELECT words with specific characters in a MySQL database?
I want to write a SELECT query in MySQL to find words with only and only specific characters in database. For example if data is : id word --------- 1 a 2 b 3 aa 4 ab 5 aaa 6…
PHP program to exchange first and last characters in a string
I am trying do to this exercise: "Write a PHP program to exchange the first and last characters in a given string and return the new string." The thing I've tried to do is this: function stringReverse($str){ $newStr = array($str);…
Javascript – Is it possible to have such a regex?
I have a string like this: 124:111,120:444,103:504,494:120,404:111,200:100, I will use replace() and let's say I want to select 124:111,120:444,103:504,494:120,404:111,**200:100,** without actually defining 200:100, but instead having it to work like this: Define only :100, regex selects everything to the left…
Can MySQL v5 extract multiple occurrences from strings?
Folks! I need some ideas, with the follow problem: I have a table in MySQL v5 that stores a string in a field, like the following: {"content":{"serviceResponse":{"state":{"code":"04","gloss":"CONTINUE"},"products":[{"product":{"productCode":"1" ,"subProductCode":"1"},"productAmount":{"amountGranted":1100000},"groupRisk":{"riskGroup":"A2"},"additionalinformation":{"franchiseTC":"3"," percentAdvance":"70.0"}},{"product":{"productCode":"2"},"groupRisk":{}},{"product":{"productCode":"7"}}]," client":{"newClient":"false","riskGroup":{"riskGroupCode":"A2"}}}} I need a MySQL v5 (version is important) SQL query…
Javascript – Is there a difference in these two ways of sorting an array of strings by the count of characters?
This code is run on a compiler in a Microsoft Edge browser in case the sorting algorithm of the browser matters. Solving an algorithm question online and it kept failing a "Must be valid for any given input" test case.…
Does concatenating strings using a for loop start with ‘undefined’ in javascript?
Where is undefined coming from? I thought I initialised the string correctly. (tried using debugger but can't figure out the issue) I've tried using concat() method. I've tried +=. Everything results in "undefined" Why? const reverseString = function(string) { let…
Can PHP prepend a string to each character of another string?
I have the following code: $target = "abcwa"; for($w = 0; $w <=strlen($target)-1; $w++) { $str = str_split($target[$w],1); //a $str_ = $str[$w]; echo "w:";$w; echo $str_; }// end for w It is printing: w:a Warning: Undefined array key 1 in…
Php – how to break string into 2 words
string : The effect of leadership on work motivation how to make the string to be like this: Arrays ( [0] => The effect [1] => effect of [2] => of leadership [3] => leadership on [4] => on work…
Javascript – finding the first letters after the replaceAll() in j.s
hi how can we find and access the first letters that comes right after the replaceAll() ? like we have : hi_my name is_reza => replaceAll("_"," ") => so now i want to access to (m) from my and to…
A problem with PHP code to display all letters in the alphabet
I know there are a lot of effective ways to do this, but I'd really like to know what's wrong with this code. for ($char = 'A'; $char <= 'Z'; $char++) { echo $char . "n"; } This is the…