Regular Expressions 101

Host: the literal text Host: (case sensitive)

Group 1(.*?)

.*?any Unicode character (except for line terminators), repeated any number of times

<br>the literal text <br> (case sensitive)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

u modifier: unicode. Treats the pattern and subject as UTF-16

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

Host: (.*?)<br>

New

<span style="font-weight: bold;"> Problem started at 15:14:06 on
2022.06.16<br>
Problem name: Site is Down!<br>
Host: worldbells.com<br>
Severity: Average<br>
Operational data: 100 %<br>
Original problem ID: <br>
  </span>

Regular Expression

Extraction