Regular Expressions 101

Explanation

Pro

^start of string

upgradethe literal text upgrade (case sensitive)

Group 1(\d+)

\d+a digit, repeated at least once

Stepthe literal text Step (case sensitive)

Group 2(\d+)

\d+a digit, repeated at least once

$end of string, or before its final line terminator

Global pattern flags

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

Detailed match information will be displayed here automatically.

25 tokens

^upgrade(\d+)Step(\d+)$

New

upgrade1000170Step

upgrade1000170Step