Regex Cards - Keynote Format

Regex syntax

/pattern/options Regex syntax

A single character: a, b, or c

[abc] A single character: a, b, or c

Any single character but a, b, or c

[^abc] Any single character but a, b, or c

Any single character in the range a-z

[a-z] Any single character in the range a-z

Any single character in the range a-z or A-Z

[a-zA-Z] Any single character in the range a-z or A-Z

Start of line

^ Start of line

End of line

$ End of line

Start of string

A Start of string

End of string

z End of string

Any single character

. Any single character

Any whitespace character

s Any whitespace character

Any non-whitespace character

S Any non-whitespace character

Any digit

d Any digit

Any non-digit

D Any non-digit

Any word character (letter, number, underscore)

w Any word character (letter, number, underscore)

Any non-word character

W Any non-word character

Any word boundary character

b Any word boundary character

Capture everything enclosed

(...) Capture everything enclosed

a or b

(a|b) a or b

Zero or one of a

a? Zero or one of a

Zero or more of a

a* Zero or more of a

One or more of a

a+ One or more of a

Exactly 3 of a

a{3} Exactly 3 of a

3 or more of a

a{3,} 3 or more of a

Between 3 and 6 of a

a{3,6} Between 3 and 6 of a

Case insensitive option.

i Case insensitive option.

Case insensitive option.

i Case insensitive option.

make dot match newlines

m make dot match newlines

ignore whitespace in regex

x ignore whitespace in regex

www.rubular.com Credit for content and a great tool for practicing.

Regex Cards - Keynote Format

by Adam Lowe on Aug 18, 2009

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