Regular Expressions 101

1st Alternative^\s+

^start of line

\s+any whitespace character, repeated at least once

2nd Alternative\s{2,}

\s{2,}any whitespace character, repeated at least 2 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

Regular Expression

^\s+|\s{2,}

New


Hello     World
     Hello     World
hello world    

or if the very beginning has space
 Hello World


Hello     World
     Hello     World
hello world    

or if the very beginning has space
 Hello World