regex101: JavaScript Match Workspace

^start of line

Positive Lookahead(?=(?:.*?[A-Z]){0})

Non-Capturing Group(?:.*?[A-Z]){0}

{0}repeats the group contents below exactly 0 times:

.*?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(?=(?:.*?[0-9]){1})

Non-Capturing Group(?:.*?[0-9]){1}

{1}repeats the group contents below exactly 1 time:

.*?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(?=(?:.*?[!@#$%*()_+^&}{:;?.]){0})

Non-Capturing Group(?:.*?[!@#$%*()_+^&}{:;?.]){0}

{0}repeats the group contents below exactly 0 times:

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

Character Class[!@#$%*()_+^&}{:;?.]

!the literal ! (33₁₀ / 41₈ / 21₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

$the literal $ (36₁₀ / 44₈ / 24₁₆)

%the literal % (37₁₀ / 45₈ / 25₁₆)

*the literal * (42₁₀ / 52₈ / 2A₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

^the literal ^ (94₁₀ / 136₈ / 5E₁₆)

&the literal & (38₁₀ / 46₈ / 26₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

{the literal { (123₁₀ / 173₈ / 7B₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Negative Lookahead(?!.*\s)

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

\sany whitespace character

Character Class[0-9a-zA-Z!@#$%;*(){}_+^&]*

*matches any number of characters from the set below:

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

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

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

!the literal ! (33₁₀ / 41₈ / 21₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

$the literal $ (36₁₀ / 44₈ / 24₁₆)

%the literal % (37₁₀ / 45₈ / 25₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

*the literal * (42₁₀ / 52₈ / 2A₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

^the literal ^ (94₁₀ / 136₈ / 5E₁₆)

&the literal & (38₁₀ / 46₈ / 26₁₆)

$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

^(?=(?:.*?[A-Z]){0})(?=(?:.*?[0-9]){1})(?=(?:.*?[!@#$%*()_+^&}{:;?.]){0})(?!.*\s)[0-9a-zA-Z!@#$%;*(){}_+^&]*$

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