Validate email address in Javascript?

How can an email address be validated in Javascript?

Though this solution may be simple, I'm sure this is one of those useful things that people will be Googling for and deserves its own entry on the site

How do you implement a good profanity filter?

Many of us need to deal with user input, search queries, and situations where the input text can potentially contain profanity or undesirable language. Oftentimes this needs to be filtered out.

How does this giant regex work?

I recently found the code below in one of my directories, in a file called doc.php . The file functions or links to a file manager. It's quite nicely done. Basically, it lists all the files in the current directory, and it lets you change directories.

jQuery selector regular expressions

I am after documentation on using wildcard or regular expressions (not sure on the exact terminology) with a jQuery selector.

How does this giant regex work?

I recently found the code below in one of my directories, in a file called doc.php . The file functions or links to a file manager. It's quite nicely done. Basically, it lists all the files in the current directory, and it lets you change directories.

C++: what regex library should I use?

I'm working on a commercial (not open source) C++ project that runs on a linux-based system. I need to do some regex within the C++ code. (I know: I now have 2 problems.)

How does this giant regex work?

I recently found the code below in one of my directories, in a file called doc.php . The file functions or links to a file manager. It's quite nicely done. Basically, it lists all the files in the current directory, and it lets you change directories.

Best way to parse a text document

I'm trying to parse a plain text document in PHP but have no idea how to do it correctly. I want to separate each word, assign them an ID and save the result in JSON format.

Are Regular Expressions universal?

I would like to know if Regular Expressions are Universal for all languages like PHP, Javascript, etc.?

Is handling of curly braces in javascript regex is the same across all modern browsers?

Curly braces in JavaScript regex is used to denote quantifiers. So writing

Why does the "g” modifier give different results when test() is called twice?

Given this code:

var reg = /a/g;

console.log(reg.test("a"));

console.log(reg.test("a"));

I get this result:

Scan Javascript for abusive functions and patterns

We have an OpenSource Extension Similar like Greasemonkey only used in Firefox . Users can submit (Java)scripts for other Users to run. This gets abused by sending malicious code.

Can regex do this faster?

I want to capitalise each word and combine it into 1 word, e.g:

Replace URLs in text with HTML links

Here is a design though: For example is I put a link such as

Replace ="Text” with =\"Text\” using Preg_Replace

I would like to replace the following:

What"s wrong with this PHP Regex code?

The x modifier code in this tutorial Php regex tutorial gives me the following error:

Java REGEX Operator precedence

I have a few strings:

john doe happy

george smith is happy

Javascript regex replace weird behavior

I'm developing a js to dig up Bible references on Portuguese web pages, and link them to a youversion.com url.

How do I convert domain.com/foo/bar/baz/ into a string like "foo bar baz"?

Basically I want to be able to grab the ending of an url, and convert it into a string to be used somewhere.

Splitting a string using a regexp that matches more than one character

I am trying to achieve the following for both @ or # .