Description of Introductory guide to Regular Expressions :
Introductory guide to Regular Expressions is an useful article with which you gain knowledge about the regular expressions of javascript. This introductory article is easy to understand and deals with almost all areas of regular expressions. Here in this tutorial you can learn about string and regular expression methods and pattern matching characters. Users are provided with a detailed note on pattern matches such as position matching, literals, character classes, repetition, alternation and grouping, back references, pattern switches etc., You are also provided with examples of how to use thse regular expressions in formatting numbers and dates.