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{{flavors\[reModel.flavor\].external}} regex quick reference (hide):

\[abx-z\]

One character of: a, b, or the range x-z

\[^abx-z\]

One character except: a, b, or the range x-z

a|b

a or b

a?

Zero or one a's (greedy)

a??

Zero or one a's (lazy)

a\*

Zero or more a's (greedy)

a\*?

Zero or more a's (lazy)

a+

One or more a's (greedy)

a+?

One or more a's (lazy)

a{4}

Exactly 4 a's

a{4,8}

Between (inclusive) 4 and 8 a's

a{9,}

9 or more a's

(?>...)

An atomic group

(?=...)

A positive lookahead

(?!...)

A negative lookahead

(?<=...)

A positive lookbehind

(?<!...)

A negative lookbehind

(?:...)

A non-capturing group

(...)

A capturing group

(?P<n>...)

A capturing group named n

^

Beginning of the string

$

End of the string

\\d

A digit (same as \[0-9\])

\\D

A non-digit (same as \[^0-9\])

\\w

A word character (same as \[\_a-zA-Z0-9\])

\\W

A non-word character (same as \[^\_a-zA-Z0-9\])

\\s

A whitespace character

\\S

A non-whitespace character

\\b

A word boundary

\\B

A non-word boundary

\\n

A newline

\\t

A tab

\\cY

The control character with the hex code Y

\\xYY

The character with the hex code YY

\\uYYYY

The character with the hex code YYYY

.

Any character

\\Y

The Y'th captured group

(?1)

Recurse into numbered group 1

(?&x)

Recurse into named group x

(?P=n)

The captured group named 'n'

(?#...)

A comment


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