What is Regular Expression RegExr?

  • Expression of a pattern in a string using special characters and words.
  • For example, ([A-Z])\w+

How to use the Regular Expression?

The user can use this https://regexr.com/

  • For example, If the user wants to ignore the word "CBD6581-MI" from CBD6581-MI Queen Sized Bed Frame - Charcoal Velvet. So the user can use this online RegExr to test it out.

From the above image, the user can see that this expression"^[A-Z]+[0-9]+[-]+[A-Z]+[A-Z]+[ ]" will be ignore the front word "CBD6581-MI".

  • To remove the comma from the sentences as below:

HP Elitebook 840 G8, 14""FHD, i5-1135G7,8GB, 256GB SSD, LTE 4G


HP Elitebook 840 G8 14""FHD i5-1135G7 8GB 256GB SSD LTE 4G

Please wrap the regular expression with *, for example: