regex101: PCRE (Legacy) Match Workspace

^start of line

Negative Lookahead(?!.*(.)\1)

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

Group 1(.)

.any character (except for line terminators)

\1the text saved by group 1

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

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

Character Class[A-Z]

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

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

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

Character Class[a-z]

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 $ (36₁₀ / 44₈ / 24₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

*the literal * (42₁₀ / 52₈ / 2A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

&the literal & (38₁₀ / 46₈ / 26₁₆)

!the literal ! (33₁₀ / 41₈ / 21₁₆)

¿the literal ¿ (191₁₀ / 277₈ / BF₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

¡the literal ¡ (161₁₀ / 241₈ / A1₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

%the literal % (37₁₀ / 45₈ / 25₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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)

Character Class[A-Za-z0-9$@#*\/&!¿?¡+%()=-]{7}

{7}matches exactly 7 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 $ (36₁₀ / 44₈ / 24₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

*the literal * (42₁₀ / 52₈ / 2A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

&the literal & (38₁₀ / 46₈ / 26₁₆)

!the literal ! (33₁₀ / 41₈ / 21₁₆)

¿the literal ¿ (191₁₀ / 277₈ / BF₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

¡the literal ¡ (161₁₀ / 241₈ / A1₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

%the literal % (37₁₀ / 45₈ / 25₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

-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

^(?!.*(.)\1)(?=.*[A-Z])(?=.*[a-z])(?=.*[$@#*\/&!¿?¡+%()=-])[a-zA-Z](?=.*[0-9])[A-Za-z0-9$@#*\/&!¿?¡+%()=-]{7}$

New

W23@r#k8
Xa$4=6/w
Pe4*5v?-
M2%e5(7f
Qsd!Y7a2