Regular Expression (regex) Troubleshooting

We're here to help!

*Please note that we provide free setup and error monitory, if you are not familiar with Regular Expressions OR if you would like us to help you please reach out to us at regex@knots.io

We are very happy to jump on a call or email you for support.

The Tool We Recommend to Use

You can test your regular expressions here.

https://regex101.com/

• Make sure to choose FLAVOR ECMAScript(JavaScript)

Regular Expression Hacks

These work most of the time when elements have a consistent pattern. (Expert tip, reach out to us at regex@knots.io if you have any trouble).

Search one whole line

(?<=FIELD NAME:\s*).+

Search one whole line with a stopping point

(?<=FIELD NAME:\s*).+(?=FIELD NAME 2:)

If you want to find a 9-digit number

\d{9}

If you want to find a number that has between 4-9 digits

\d{4,9}