regex101: JavaScript Match Workspace

^start of line

Positive Lookahead(?=[^\d\n]*\d)

Negated Character Class[^\d\n]*

*matches any number of characters outside the set below:

\da digit

\na line-feed (newline) character (ASCII 10)

\da digit

Positive Lookahead(?=[^A-Z\n]*[A-Z])

Negated Character Class[^A-Z\n]*

*matches any number of characters outside the set below:

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

\na line-feed (newline) character (ASCII 10)

Character Class[A-Z]

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

Positive Lookahead(?=[^a-z\n]*[a-z])

Negated Character Class[^a-z\n]*

*matches any number of characters outside the set below:

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

\na line-feed (newline) character (ASCII 10)

Character Class[a-z]

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

Positive Lookahead(?=[^-!@._*#%\n]*[-!@._*#%])

Negated Character Class[^-!@._*#%\n]*

*matches any number of characters outside the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

!the literal ! (33₁₀ / 41₈ / 21₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

*the literal * (42₁₀ / 52₈ / 2A₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

%the literal % (37₁₀ / 45₈ / 25₁₆)

\na line-feed (newline) character (ASCII 10)

Character Class[-!@._*#%]

-the literal - (45₁₀ / 55₈ / 2D₁₆)

!the literal ! (33₁₀ / 41₈ / 21₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

*the literal * (42₁₀ / 52₈ / 2A₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

%the literal % (37₁₀ / 45₈ / 25₁₆)

Character Class[-A-Za-z0-9=!@._*#%]*

*matches any number of characters from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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 = (61₁₀ / 75₈ / 3D₁₆)

!the literal ! (33₁₀ / 41₈ / 21₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

*the literal * (42₁₀ / 52₈ / 2A₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

%the literal % (37₁₀ / 45₈ / 25₁₆)

$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

26 tokens

Regular Expression

^(?=[^\d\n]*\d)(?=[^A-Z\n]*[A-Z])(?=[^a-z\n]*[a-z])(?=[^-!@._*#%\n]*[-!@._*#%])[-A-Za-z0-9=!@._*#%]*$

Unit Tests

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