Regular Expressions 101

Explanation

Pro

Group PREFIX(?<PREFIX>somestring)

somestringthe literal text somestring (case sensitive)

\d*a Unicode decimal digit, repeated any number of times

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

(?<PREFIX>somestring)\d*

New

somestring1234

${PREFIX}1000

somestring1234