regex101: Python Match Workspace

Pro

Negative Lookbehind(?<!\\)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

!the literal ! (33₁₀ / 41₈ / 21₁₆)

Negated Character Class[^!\\.]*

*matches any number of characters outside the set below:

!the literal ! (33₁₀ / 41₈ / 21₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Non-Capturing Group(?:(?:\.(?!\.\.)|(?=(\.{3}.*?\.{3}))\1|\\.)[^!\\.]*)*

*repeats the group contents below any number of times:

Non-Capturing Group(?:\.(?!\.\.)|(?=(\.{3}.*?\.{3}))\1|\\.)

1st Alternative\.(?!\.\.)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Negative Lookahead(?!\.\.)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

2nd Alternative(?=(\.{3}.*?\.{3}))\1

Positive Lookahead(?=(\.{3}.*?\.{3}))

Group 1(\.{3}.*?\.{3})

\.{3}the literal . (46₁₀ / 56₈ / 2E₁₆) , repeated exactly 3 times

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

\.{3}the literal . (46₁₀ / 56₈ / 2E₁₆) , repeated exactly 3 times

\1the text saved by group 1

3rd Alternative\\.

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any Unicode character (except for line terminators)

Negated Character Class[^!\\.]*

*matches any number of characters outside the set below:

!the literal ! (33₁₀ / 41₈ / 21₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

!the literal ! (33₁₀ / 41₈ / 21₁₆)

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

25 tokens

Regular Expression

(?<!\\)![^!\\.]*(?:(?:\.(?!\.\.)|(?=(\.{3}.*?\.{3}))\1|\\.)[^!\\.]*)*!

New

!Normal string!
!String with escaped \! exclamation mark!
!String with a comment ... comment ...!
!String \! with both ... comments can have unescaped exclamation marks!!!... !

test ...this is a comment... test

\!String \! with both ... comments can have unescaped exclamation marks!!!...... !

!S...test...\!tring \! with both ... comments can have unescaped exclamation marks ...test...\!tring \! with both ... comments can have unescaped exclamation marks ...test...\!tring \! with both ... comments can have unescaped exclamation marks ...test...\!tring \! with both ... comments can have unescaped exclamation marks ...test...\!tring \! with both ... comments can have unescaped exclamation marks

Substitution

!Normal string!
!String with escaped \! exclamation mark!
!String with a comment ... comment ...!
!String \! with both ... comments can have unescaped exclamation marks!!!... !

test ...this is a comment... test

\!String \! with both ... comments can have unescaped exclamation marks!!!...... !

!S...test...\!tring \! with both ... comments can have unescaped exclamation marks ...test...\!tring \! with both ... comments can have unescaped exclamation marks ...test...\!tring \! with both ... comments can have unescaped exclamation marks ...test...\!tring \! with both ... comments can have unescaped exclamation marks ...test...\!tring \! with both ... comments can have unescaped exclamation marks