The following are a few basic pointers that everybody should brush through before looking at the code:
- Regular Expressions: A regular expression is a sequence of characters. Every regular expression defines a certain pattern that can be used for multiple purposes. The most common one being, pattern matching. As mentioned above Regular Expressions are most commonly used for pattern matching and after the expected pattern of characters is spotted, many functions can be applied on them, like split(), join(), replace() etc.
- JQuery | Set focus on a form input text field on page load
- How to delete text from file using preg_replace() function in PHP ?
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