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.

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