Tag: regex

Regex validation string 4th and 6th special character optional validations

I am trying to make a regex validation and the condition is that, whatever I have typed in 4th character it should same as 6th character from special character(- .) dash or dot So if I have typed 4th character as – then 6th also must be – and if dot then should be dot. Also these character can be

Text and emoji extraction from HTML

emoji javascript regex

I need to perform text and emoji extraction from HTML (I have no control over the HTML I get). I found it fairly simple to remove HTML tags using the following function; however, it strips out the emojis embedded within an <img> tag. The result should be plain text + emoji characters. I don’t care…

Why regex working in javascript but not as HTML5 pattern [closed]

html javascript regex

Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 6 m…

Hard Regex problems: conditionals search if it passes two or all three conditionals

javascript regex

so im having trouble writing regex in javascript. I want to practice using conditionals on regex. Problem i want to solve: combinations of (small/capital letters) + (numbers) + (special characters) if using two of the possible combinations, the length should be from 10-16 long if using three of the possible c…

How can I allow only alphanumeric including Chinese, Japanese and all that cryptographic languages?

javascript regex

I’m currently trying to filter out any bad char from a string to only allow alphanumeric ones but I need to include Chinese, Japanese and all that non-Latin languages as well. After some hours of reading RegEx, I’m more confused than informed. Currently I have: Without the {Han} everything works w…

Regex split string at specific set of characters

javascript regex

Suppose I have a string of this nature Set 1 (2) Set 2 (2) Set 3 (2) Set 4 (2) [Choose Two]. How can I make a regex that starts after (important that it’s after or I can just add it back) every ) character and optionally ends at a ] character, so splitting the string would look something like

Array manipulation error with regex – Kata 6 Codewar

arrays javascript regex replace

In theory it should transform a given array to camel case. I don’t understand what is wrong Answer The .replace() method doesn’t modify the word variable, it instead returns a new modified string. So your code is producing new values within the loop but doesn’t do anything with those values.…

Why does using a String.split(regex) include an empty string at the beginning of resulting array?

javascript regex split string

I have a string data that is a numbered list (e.g. “1.Line 1n2. Line 2nLine 2 Continuedn3. Line 3”) I tried making a regex that splits the string into [“Line 1n”, “Line 2nLine 2 Continuedn”, “Line 3”] and I made this regex const reg = /d+./gm. When I use the fol…

JavaScript: Search string from position

javascript regex string

JavaScript has two useful methods, both which nearly do what I need. String.prototype.indexOf() will search for a substring and return its position. It has an optional position parameter which is the starting point of the search, so you can easily find the next one. String.prototype.search() will search a str…

Using regex to capture a value in a text line

javascript regex

I have a text line and I need capture the value “Keyword” key. In this sample the value is “ConquestImageDate”. With my code below I can capture the value as ConquestImageDate”. But it has a ‘”‘ on the end. I know I can use a replace to get rid off it. But, I´d …