Regular Expressions 101

Positive Lookahead(?=.*[}{,.^?~=+\-_\/*\-+.\|])

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

Character Class[}{,.^?~=+\-_\/*\-+.\|]

}the literal } (125₁₀ / 175₈ / 7D₁₆)

{the literal { (123₁₀ / 173₈ / 7B₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

^the literal ^ (94₁₀ / 136₈ / 5E₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

*the literal * (42₁₀ / 52₈ / 2A₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

Positive Lookahead(?=.*[a-zA-Z])

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

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)

Positive Lookahead(?=.*[0-9])

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

Character Class[0-9]

0-9one character from 0 (48₁₀) to 9 (57₁₀)

.{8,}any character (except for line terminators), repeated at least 8 times

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])(?=.*[0-9]).{8,}

New

9,1   4a