Regular Expressions 101

Pro

\s*any whitespace character, repeated any number of times

Group 1([\d\s]*)

Character Class[\d\s]*

*matches any number of characters from the set below:

\da digit

\sany whitespace character

Group 2(.*)

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

Global pattern flags

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

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

25 tokens

\s*([\d\s]*)(.*)

New

255	255		255		hello world
  10   10  10 some text here
nothing here...
10  10   10

255	255		255		hello world
  10   10  10 some text here
nothing here...
10  10   10