Regular Expressions 101

Negative Lookbehind(?<!\w\.\w.)

\wany word character

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\wany word character

.any character (except for line terminators)

Negative Lookbehind(?<![A-Z][a-z]\.)

Character Class[A-Z]

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

Character Class[a-z]

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Positive Lookbehind(?<=\.|\?)

1st Alternative\.

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

2nd Alternative\?

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

\sany whitespace character

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.

Search reference

Regular Expression

(?<!\w\.\w.)(?<![A-Z][a-z]\.)(?<=\.|\?)\s

New

Mr. Smith bought cheapsite.com for 1.5 million dollars, i.e. he paid a lot for it. Did he mind? Adam Jones Jr. thinks he didn't. In any case, this isn't true... Well, with a probability of .9 it isn't.

Regular Expression

Extraction