regex101: PCRE (Legacy) Match Workspace

Pro

^start of line

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

1st Alternativethe

thethe literal text the (case sensitive)

2nd Alternativeand

andthe literal text and (case sensitive)

3rd Alternativeor

orthe literal text or (case sensitive)

4th Alternativea

athe literal a (97₁₀ / 141₈ / 61₁₆) (case sensitive)

5th Alternativegiven

giventhe literal text given (case sensitive)

6th Alternativesome

somethe literal text some (case sensitive)

7th Alternativethat

thatthe literal text that (case sensitive)

8th Alternativethis

thisthe literal text this (case sensitive)

9th Alternativethen

thenthe literal text then (case sensitive)

10th Alternativethan

thanthe literal text than (case sensitive)

Negative Lookahead(?!.*[ ]{2})

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

Character Class[ ]{2}

{2}matches exactly 2 characters from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

Negative Lookahead(?!.*[']{2})

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

Character Class[']{2}

{2}matches exactly 2 characters from the set below:

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Negative Lookahead(?!.*[-]{2})

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

Character Class[-]{2}

{2}matches exactly 2 characters from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Non-Capturing Group(?:[a-zA-Z0-9 \:\p{L}'-]{1,64}$)

Character Class[a-zA-Z0-9 \:\p{L}'-]{1,64}

{1,64}matches between 1 and 64 characters from the set below:

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

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

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

the literal (32₁₀ / 40₈ / 20₁₆)

\:the literal : (58₁₀ / 72₈ / 3A₁₆)

\p{L}any Unicode letter

'the literal ' (39₁₀ / 47₈ / 27₁₆)

-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

25 tokens

Regular Expression

^(?!.*(the|and|or|a|given|some|that|this|then|than))(?!.*[ ]{2})(?!.*[']{2})(?!.*[-]{2})(?:[a-zA-Z0-9 \:\p{L}'-]{1,64}$)$

Unit Tests

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