Regular Expressions 101

1st Alternative(^(?<date>\d{1,2}\/\d{1,2}\/\d{1,2}),\s(?<time>\d{1,2}:\d{1,2})\s-\s(?<user>.*?):\s)

Group 1(^(?<date>\d{1,2}\/\d{1,2}\/\d{1,2}),\s(?<time>\d{1,2}:\d{1,2})\s-\s(?<user>.*?):\s)

^start of line

Group date(?<date>\d{1,2}\/\d{1,2}\/\d{1,2})

\d{1,2}a Unicode decimal digit, repeated between 1 and 2 times

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\d{1,2}a Unicode decimal digit, repeated between 1 and 2 times

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\d{1,2}a Unicode decimal digit, repeated between 1 and 2 times

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\sa Unicode whitespace character

Group time(?<time>\d{1,2}:\d{1,2})

\d{1,2}a Unicode decimal digit, repeated between 1 and 2 times

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\d{1,2}a Unicode decimal digit, repeated between 1 and 2 times

\sa Unicode whitespace character

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\sa Unicode whitespace character

Group user(?<user>.*?)

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

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\sa Unicode whitespace character

2nd Alternative(?<word>\w+(?:\'\w+)?|[\x{1F600}-\x{1F64F}]|[\x{1F300}-\x{1F5FF}]|[\x{1F680}-\x{1F6FF}]|[\x{2600}-\x{26FF}]|[\x{2700}-\x{27BF}]|[^\w\s~"!@#$%*()_+-=¹²³§ªº`^{}[\]<>,.;:?\/\\\|\n\r\t])

Group word(?<word>\w+(?:\'\w+)?|[\x{1F600}-\x{1F64F}]|[\x{1F300}-\x{1F5FF}]|[\x{1F680}-\x{1F6FF}]|[\x{2600}-\x{26FF}]|[\x{2700}-\x{27BF}]|[^\w\s~"!@#$%*()_+-=¹²³§ªº`^{}[\]<>,.;:?\/\\\|\n\r\t])

1st Alternative\w+(?:\'\w+)?

\w+a Unicode word character, repeated at least once

Non-Capturing Group(?:\'\w+)?

?repeats the group contents below at most once:

\'the literal ' (39₁₀ / 47₈ / 27₁₆)

\w+a Unicode word character, repeated at least once

2nd Alternative[\x{1F600}-\x{1F64F}]

Character Class[\x{1F600}-\x{1F64F}]

\x{1F600}-\x{1F64F}one character from 😀 (128512₁₀) to 🙏 (128591₁₀)

3rd Alternative[\x{1F300}-\x{1F5FF}]

Character Class[\x{1F300}-\x{1F5FF}]

\x{1F300}-\x{1F5FF}one character from 🌀 (127744₁₀) to 🗿 (128511₁₀)

4th Alternative[\x{1F680}-\x{1F6FF}]

Character Class[\x{1F680}-\x{1F6FF}]

\x{1F680}-\x{1F6FF}one character from 🚀 (128640₁₀) to 🛿 (128767₁₀)

5th Alternative[\x{2600}-\x{26FF}]

Character Class[\x{2600}-\x{26FF}]

\x{2600}-\x{26FF}one character from ☀ (9728₁₀) to ⛿ (9983₁₀)

6th Alternative[\x{2700}-\x{27BF}]

Character Class[\x{2700}-\x{27BF}]

\x{2700}-\x{27BF}one character from ✀ (9984₁₀) to ➿ (10175₁₀)

7th Alternative[^\w\s~"!@#$%*()_+-=¹²³§ªº`^{}[\]<>,.;:?\/\\\|\n\r\t]

Negated Character Class[^\w\s~"!@#$%*()_+-=¹²³§ªº`^{}[\]<>,.;:?\/\\\|\n\r\t]

\wa Unicode word character

\sa Unicode whitespace character

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

!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)

+-=one character from + (43₁₀) to = (61₁₀)

¹the literal ¹ (185₁₀ / 271₈ / B9₁₆)

²the literal ² (178₁₀ / 262₈ / B2₁₆)

³the literal ³ (179₁₀ / 263₈ / B3₁₆)

§the literal § (167₁₀ / 247₈ / A7₁₆)

ªthe literal ª (170₁₀ / 252₈ / AA₁₆)

ºthe literal º (186₁₀ / 272₈ / BA₁₆)

`the literal ` (96₁₀ / 140₈ / 60₁₆)

^the literal ^ (94₁₀ / 136₈ / 5E₁₆)

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

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

\ra carriage return (ASCII 13)

\ta tab character (ASCII 9)

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

u modifier: unicode. Treats the pattern and subject as UTF-16

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

(^(?<date>\d{1,2}\/\d{1,2}\/\d{1,2}),\s(?<time>\d{1,2}:\d{1,2})\s-\s(?<user>.*?):\s)|(?<word>\w+(?:\'\w+)?|[\x{1F600}-\x{1F64F}]|[\x{1F300}-\x{1F5FF}]|[\x{1F680}-\x{1F6FF}]|[\x{2600}-\x{26FF}]|[\x{2700}-\x{27BF}]|[^\w\s~"!@#$%*()_+-=¹²³§ªº`^{}[\]<>,.;:?\/\\\|\n\r\t])

New

3/30/20, 17:06 - Me: Hi brow! I need to test some regex.
3/30/20, 17:06 - John Doe: 👍👍👍 Let's do it!
3/30/20, 17:08 - Me: ⚡️🦄🧀🏀🤪🎺🎪💾🚽📎💕💯✅ 🇯🇵 🕔➡️👶🚴👌👽
3/30/20, 17:10 - Someone: 🐵🙈🙉🙊🐒 We're talking emoji language?
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