Regular Expressions 101

Pro

1st Alternative(?<=How\s\w{4}\s).+

Positive Lookbehind(?<=How\s\w{4}\s)

Howthe literal text How (case sensitive)

\sany whitespace character

\w{4}any word character, repeated exactly 4 times

\sany whitespace character

.+any character (except for line terminators), repeated at least once

2nd Alternative(?<=How\s\w{3}\s).+

Positive Lookbehind(?<=How\s\w{3}\s)

Howthe literal text How (case sensitive)

\sany whitespace character

\w{3}any word character, repeated exactly 3 times

\sany whitespace character

.+any character (except for line terminators), repeated at least once

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

(?<=How\s\w{4}\s).+|(?<=How\s\w{3}\s).+

New

How fast is the car moving?
How far do you drive to work every day?

How fast is the car moving?
How far do you drive to work every day?