Regular Expressions 101

Pro

1st Alternative[^any\d]

Negated Character Class[^any\d]

athe literal a (97₁₀ / 141₈ / 61₁₆) (case sensitive)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case sensitive)

ythe literal y (121₁₀ / 171₈ / 79₁₆) (case sensitive)

\da Unicode decimal digit

2nd Alternativea(?!ny)

athe literal a (97₁₀ / 141₈ / 61₁₆) (case sensitive)

Negative Lookahead(?!ny)

nythe literal text ny (case sensitive)

3rd Alternative(?<=a)n(?!y)

Positive Lookbehind(?<=a)

athe literal a (97₁₀ / 141₈ / 61₁₆) (case sensitive)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case sensitive)

Negative Lookahead(?!y)

ythe literal y (121₁₀ / 171₈ / 79₁₆) (case sensitive)

4th Alternative(?<!a)n(?=y)

Negative Lookbehind(?<!a)

athe literal a (97₁₀ / 141₈ / 61₁₆) (case sensitive)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case sensitive)

Positive Lookahead(?=y)

ythe literal y (121₁₀ / 171₈ / 79₁₆) (case sensitive)

5th Alternativen(?!y)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case sensitive)

Negative Lookahead(?!y)

ythe literal y (121₁₀ / 171₈ / 79₁₆) (case sensitive)

6th Alternative(?<!an)y

Negative Lookbehind(?<!an)

anthe literal text an (case sensitive)

ythe literal y (121₁₀ / 171₈ / 79₁₆) (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.

25 tokens

[^any\d]|a(?!ny)|(?<=a)n(?!y)|(?<!a)n(?=y)|n(?!y)|(?<!an)y

New

I successfully mande a regex to include it is any 0-9 but don't know the way to exclude. any zny znk anz ny any n

I successfully mande a regex to include it is any 0-9 but don't know the way to exclude. any zny znk anz ny any n