In this post I'll be be wrapping up my first post on regex. In a similar fashion to my last post, I'll be sure to provide examples that show the inputs and outputs. Let's jump into it!
Some Shortcuts
There are a ton of characters you can use in your regex to create unique specifications in your queries. I'll list a bunch below.
- . gets any character that's not a line break
- \s gets a white space
- \S gets a non-white space
- \d gets a digit
- \D gets a non-digit
Only the Start or End
If you want to find a character at the beginning or end of your string, you can use ^ or $.
The Caret (^)
^ also has a second use. When used inside of brackets, ^ indicates that you want anything except what's in the brackets.
Quantifiers
Quantifiers specify how many of the specified characters we want.
- ? means zero or one
- * means zero or more
- + means one or more
- {} specifies the exact quantity
Special Characters
Finally, if you want to capture any special characters you need to precede them with a \.
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