Regular Expressions 101

Pro

^start of line

type=dogthe literal text type=dog (case sensitive)

Character Class[\s\S]*?

*?matches any number of characters from the set below:

\sany whitespace character

\Sany non-whitespace character

^start of line

name=the literal text name= (case sensitive)

Group 1(\w+)

\w+any word character, repeated at least once

Non-Capturing Group(?:(?:(?!^type=)[\s\S])*?^color=(\w+))?

?repeats the group contents below at most once:

Non-Capturing Group(?:(?!^type=)[\s\S])*?

*?repeats the group contents below any number of times:

Negative Lookahead(?!^type=)

^start of line

type=the literal text type= (case sensitive)

Character Class[\s\S]

\sany whitespace character

\Sany non-whitespace character

^start of line

color=the literal text color= (case sensitive)

Group 2(\w+)

\w+any word character, 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

^type=dog[\s\S]*?^name=(\w+)(?:(?:(?!^type=)[\s\S])*?^color=(\w+))?

New

type=dog
sex=male
name=wolf
color=brown
type=dog
sex=male
name=bob
type=cat
sex=male
name=tom
color=black
type=dog
sex=female
name=simona
color=white