regex101: Ultimate markdown parser

Pro

1st Alternative(^\|(?<tableSeparator>[\s\-|]+)\|\n)

Group 1(^\|(?<tableSeparator>[\s\-|]+)\|\n)

^start of line

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

Group tableSeparator(?<tableSeparator>[\s\-|]+)

Character Class[\s\-|]+

+matches at least one character from the set below:

\sany whitespace character

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

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

2nd Alternative(^\|\s*(?<tableTopFirst>[^|]+)(?=.*\n\|\s*-))

Group 3(^\|\s*(?<tableTopFirst>[^|]+)(?=.*\n\|\s*-))

^start of line

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

\s*any whitespace character, repeated any number of times

Group tableTopFirst(?<tableTopFirst>[^|]+)

Negated Character Class[^|]+

+matches at least one character outside the set below:

|the literal | (124₁₀ / 174₈ / 7C₁₆)

Positive Lookahead(?=.*\n\|\s*-)

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

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

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

\s*any whitespace character, repeated any number of times

-the literal - (45₁₀ / 55₈ / 2D₁₆)

3rd Alternative((?<!^)\|(?<tableTopMiddle>[^|\n]+)(?=\|.*\|\n\| -))

Group 5((?<!^)\|(?<tableTopMiddle>[^|\n]+)(?=\|.*\|\n\| -))

Negative Lookbehind(?<!^)

^start of line

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

Group tableTopMiddle(?<tableTopMiddle>[^|\n]+)

Negated Character Class[^|\n]+

+matches at least one character outside the set below:

|the literal | (124₁₀ / 174₈ / 7C₁₆)

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

Positive Lookahead(?=\|.*\|\n\| -)

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

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

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

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

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

-the literal text -

4th Alternative(\|(?<tableTopLast>[^|]+)\|\n(?=\|\s*-))

Group 7(\|(?<tableTopLast>[^|]+)\|\n(?=\|\s*-))

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

Group tableTopLast(?<tableTopLast>[^|]+)

Negated Character Class[^|]+

+matches at least one character outside the set below:

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

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

Positive Lookahead(?=\|\s*-)

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

\s*any whitespace character, repeated any number of times

-the literal - (45₁₀ / 55₈ / 2D₁₆)

5th Alternative(^\|\s*(?<tableBottomFirst>[^|]+)(?=.*\n^[^|]))

Group 9(^\|\s*(?<tableBottomFirst>[^|]+)(?=.*\n^[^|]))

^start of line

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

\s*any whitespace character, repeated any number of times

Group tableBottomFirst(?<tableBottomFirst>[^|]+)

Negated Character Class[^|]+

+matches at least one character outside the set below:

|the literal | (124₁₀ / 174₈ / 7C₁₆)

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

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

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

^start of line

Negated Character Class[^|]

6th Alternative((?<!^)\|(?<tableBottomMiddle>[^|\n]+)(?=\|.*\|\n[^|]))

7th Alternative(\|\s*(?<tableBottomLast>[^|]+)\|\n(?!\|))

8th Alternative(^\|\s*(?<tableMiddleFirst>[^|]+)(?=\|))

9th Alternative(\|\s*(?<tableMiddleLast>[^|]+)\|\n)

10th Alternative(\|\s*(?<tableMiddleMiddle>[^|]+))

11th Alternative!?(\[(?<text>[^(]+)]$(?<url>[^")]+))("(?<title>[^"]+)"|.*)$

12th Alternative((?<!-.+\n)- (?<unorderedListFirstItem>.+)\n)

13th Alternative((?<=-.+\n)- (?<unorderedListMiddleItem>.+)\n(?=-))

14th Alternative(- (?<unorderedListLastItem>.+)\n(?!-))

15th Alternative((?<!\d+\..+\n)\d+\. (?<orderedListFirstItem>.+)\n)

16th Alternative((?<=\d+\..+\n)\d+\. (?<orderedListMiddleItem>.+)\n(?=\d+\.))

17th Alternative(\d+\. (?<orderedListLastItem>.+)\n(?!\d+\.))

18th Alternative(\*\*\*(?<boldAndItalic>[^*]*)\*\*\*)

19th Alternative(\*\*(?<bold>[^*]*)\*\*)

20th Alternative(\*(?<italic>[^*]*)\*)

21st Alternative(~~(?<strikethrough>[^~]*)~~)

22nd Alternative(`{3}\n(?<multilineCode>[^`]+)`{3}\n)

23rd Alternative(`(?<inlineCode>[^`\n]*)`)

24th Alternative(^#{6} (?<h6>.+))

25th Alternative(^#{5} (?<h5>.+))

26th Alternative(^#{4} (?<h4>.+))

27th Alternative(^#{3} (?<h3>.+))

28th Alternative(^#{2} (?<h2>.+))

29th Alternative(^# (?<h1>.+))

30th Alternative(?<horizontalLine>^-{3}\n)

31st Alternative(?<=^\n)> (?<singleLineQuote>.+)\n(?!^>)

32nd Alternative((?<!> .+\n)> (?<quoteFirst>.+))

33rd Alternative(> (?<quoteLast>.+)(?!.*\n> .+))

34th Alternative(> (?<quoteMiddle>.+))

35th Alternative(?<lineBreak>\n{2})

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

(^\|(?<tableSeparator>[\s\-|]+)\|\n)|(^\|\s*(?<tableTopFirst>[^|]+)(?=.*\n\|\s*-))|((?<!^)\|(?<tableTopMiddle>[^|\n]+)(?=\|.*\|\n\| -))|(\|(?<tableTopLast>[^|]+)\|\n(?=\|\s*-))|(^\|\s*(?<tableBottomFirst>[^|]+)(?=.*\n^[^|]))|((?<!^)\|(?<tableBottomMiddle>[^|\n]+)(?=\|.*\|\n[^|]))|(\|\s*(?<tableBottomLast>[^|]+)\|\n(?!\|))|(^\|\s*(?<tableMiddleFirst>[^|]+)(?=\|))|(\|\s*(?<tableMiddleLast>[^|]+)\|\n)|(\|\s*(?<tableMiddleMiddle>[^|]+))|!?(\[(?<text>[^(]+)]\((?<url>[^")]+))("(?<title>[^"]+)"|.*)\)|((?<!-.+\n)- (?<unorderedListFirstItem>.+)\n)|((?<=-.+\n)- (?<unorderedListMiddleItem>.+)\n(?=-))|(- (?<unorderedListLastItem>.+)\n(?!-))|((?<!\d+\..+\n)\d+\. (?<orderedListFirstItem>.+)\n)|((?<=\d+\..+\n)\d+\. (?<orderedListMiddleItem>.+)\n(?=\d+\.))|(\d+\. (?<orderedListLastItem>.+)\n(?!\d+\.))|(\*\*\*(?<boldAndItalic>[^*]*)\*\*\*)|(\*\*(?<bold>[^*]*)\*\*)|(\*(?<italic>[^*]*)\*)|(~~(?<strikethrough>[^~]*)~~)|(`{3}\n(?<multilineCode>[^`]+)`{3}\n)|(`(?<inlineCode>[^`\n]*)`)|(^#{6} (?<h6>.+))|(^#{5} (?<h5>.+))|(^#{4} (?<h4>.+))|(^#{3} (?<h3>.+))|(^#{2} (?<h2>.+))|(^# (?<h1>.+))|(?<horizontalLine>^-{3}\n)|(?<=^\n)> (?<singleLineQuote>.+)\n(?!^>)|((?<!> .+\n)> (?<quoteFirst>.+))|(> (?<quoteLast>.+)(?!.*\n> .+))|(> (?<quoteMiddle>.+))|(?<lineBreak>\n{2})

New

# Table
| Syntax test | Description | Test | XXX | XXX |
| ----------- | ----------- | ---- | --- | --- |
| Header      | Title       | AAAA | XXX | XXX |
| Header      | Title       | AAAA | XXX | XXX |
| Paragraph   | Text        | BBBB | XXX | XXX |

## Pretty table
|Header 1|Header 2|
|---|---|
|![Kitty](https://placekitten.com/200/300 "Kitten")|![Kitty](https://placekitten.com/200/300? "Kitten")|

### Lists
---

- Inline *code* `aaaaz`
- My **favorite search** engine is ~~not~~ [Duck Duck Go](https://duckduckgo.com "Click me").
- ~~***Recursive***~~
- ***~~Recursive reversed~~***
- Item 4

1. Item
2. Item
3. Item
4. Item

1. c
1. c

#### Multiline code
```
int method() {
	return 2137;
}
```

##### Quotes
> aa
> aa
> > bb
> > bb
> > > [c](#panes)c
> > > cc
> > bb
> > bb
> aa
> aa

> single line

Extraction

# Table
| Syntax test | Description | Test | XXX | XXX |
| ----------- | ----------- | ---- | --- | --- |
| Header      | Title       | AAAA | XXX | XXX |
| Header      | Title       | AAAA | XXX | XXX |
| Paragraph   | Text        | BBBB | XXX | XXX |

## Pretty table
|Header 1|Header 2|
|---|---|
|![Kitty](https://placekitten.com/200/300 "Kitten")|![Kitty](https://placekitten.com/200/300? "Kitten")|

### Lists
---

- Inline *code* `aaaaz`
- My **favorite search** engine is ~~not~~ [Duck Duck Go](https://duckduckgo.com "Click me").
- ~~***Recursive***~~
- ***~~Recursive reversed~~***
- Item 4

1. Item
2. Item
3. Item
4. Item

1. c
1. c

#### Multiline code
```
int method() {
	return 2137;
}
```

##### Quotes
> aa
> aa
> > bb
> > bb
> > > [c](#panes)c
> > > cc
> > bb
> > bb
> aa
> aa

> single line