Regular Expressions 101

Negated Character Class[^a-zA-Z\s]

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

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

\sa Unicode whitespace character

Negative Lookahead(?!(?<=[a-zA-Z].)[a-zA-Z])

Positive Lookbehind(?<=[a-zA-Z].)

Character Class[a-zA-Z]

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

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

.any Unicode character (except for line terminators)

Character Class[a-zA-Z]

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

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

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

[^a-zA-Z\s](?!(?<=[a-zA-Z].)[a-zA-Z])

New

It's a: beautiful day? I'm =sure it is. The coca-cola (is frozen right?

It's a beautiful day I'm sure it is The coca-cola is frozen right