regex101: PCRE (Legacy) Match Workspace

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)

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 (65₁₀) to Z (90₁₀) (case sensitive)

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

Positive Lookahead(?=.*[~!?@#$%^&*_-])

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

Character Class[~!?@#$%^&*_-]

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

!the literal ! (33₁₀ / 41₈ / 21₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

$the literal $ (36₁₀ / 44₈ / 24₁₆)

%the literal % (37₁₀ / 45₈ / 25₁₆)

^the literal ^ (94₁₀ / 136₈ / 5E₁₆)

&the literal & (38₁₀ / 46₈ / 26₁₆)

*the literal * (42₁₀ / 52₈ / 2A₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[A-Za-z0-9~!?@#$%^&*_-]{8,40}

{8,40}matches between 8 and 40 characters from the set below:

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

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

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

!the literal ! (33₁₀ / 41₈ / 21₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

$the literal $ (36₁₀ / 44₈ / 24₁₆)

%the literal % (37₁₀ / 45₈ / 25₁₆)

^the literal ^ (94₁₀ / 136₈ / 5E₁₆)

&the literal & (38₁₀ / 46₈ / 26₁₆)

*the literal * (42₁₀ / 52₈ / 2A₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

$end of line

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

Search reference

Regular Expression

(?=.*[0-9])(?=.*[A-Za-z])(?=.*[~!?@#$%^&*_-])[A-Za-z0-9~!?@#$%^&*_-]{8,40}$

New

ABCabc1$
1^&*TYUh
000000Y*
#AAAAAA9