There are two way to create a reagular expression , the first is constructed with the RegExp constructor , the second is written as a literal value by enclosing a pattern in forward slash (/) ...

Meta-characters. There are special characters in regular expressions, some of them include: d matches any digit, equivalent to [0-9]; D matches any character that’s not a digit, equivalent to ...

We can use special selectors in Regular Expressions to select a particular type of value. One such selector is the digit selector \d which is used to retrieve one digit (e.g. numbers 0 to 9) in a ...

JavaScript’s RegExp object, which holds a regular expression, is what we need here. Regular expressions are a big subject, and there are plenty of FAQs on them on the Web.

Regex syntax. Here’s a simple example of a regular expression, which looks in a string for the sequence Hello world:. Hello world If you’re just matching plain old letters and numbers and ...

I'm trying to write a regular expression for a javascript function. I basically want to test the entire string to make sure the string only has alpha numberic characters and certain latin ...