Regular Expressions 101

Pro

Group 1(The law\s+\w+\s\P{Lu}*)

The lawthe literal text The law (case sensitive)

\s+any whitespace character, repeated at least once

\w+any word character, repeated at least once

\sany whitespace character

\P{Lu}*characters not matched by \p{Lu}, repeated any number of times

Group 2(\p{Lu}.*?)

\p{Lu}an uppercase letter

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

Positive Lookahead(?=The law|$)

1st AlternativeThe law

The lawthe literal text The law (case sensitive)

2nd Alternative$

$end of line

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

(The law\s+\w+\s\P{Lu}*)(\p{Lu}.*?)(?=The law|$)

New

The law of Huxley Something interesting. Some other interesting thing. The law of Dallas This thing is boring.