Why more programmers should know Regular Expressions?

Credit: Background image by Lorenzo Cafaro from Pixabay.

A regular expression (shortened as regex or regexp) is a sequence of characters that define a search pattern. Usually, such patterns are used by string-searching algorithms for “find” or “find and replace” operations on strings, or for input validation.

^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$

1. It’s a really powerful tool

2. Learn it once, use it forever

3. It’s easier than it looks

/\d{3}/

4. There are amazing tools to help you

6. You can understand someone else's code

/^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/

5. It can be a stand out skill

Conclusion

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