regex101: PCRE (Legacy) Match Workspace

^start of line

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(?=.*?[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(?=.*?[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(?=.*?[#!@$%^&*()\-_+={}[\]|\\:;<>,.?\/])

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

Character Class[#!@$%^&*()\-_+={}[\]|\\:;<>,.?\/]

#the literal # (35₁₀ / 43₈ / 23₁₆)

!the literal ! (33₁₀ / 41₈ / 21₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

$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 ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

.{10,16}any character (except for line terminators), repeated between 10 and 16 times

$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

^(?=.*?[a-z])(?=.*?[A-Z])(?=.*?[0-9])(?=.*?[#!@$%^&*()\-_+={}[\]|\\:;<>,.?\/]).{10,16}$

Test String
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Pass1

Regular Expressions 101

Regular Expression

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Regular Expression

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