Regular Expressions 101

Explanation

Pro

^start of line

Non-Capturing Group(?:<[pP]>)?

?repeats the group contents below at most once:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

Character Class[pP]

pthe literal p (112₁₀ / 160₈ / 70₁₆) (case sensitive)

Pthe literal P (80₁₀ / 120₈ / 50₁₆) (case sensitive)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Non-Capturing Group(?:<strong>)?

?repeats the group contents below at most once:

<strong>the literal text <strong> (case sensitive)

Non-Capturing Group(?:<[aA]\s\w+="[\-\/\wÅåÄäÖö;,.\(\)\[\]&\s]+">(?:<\/[aA]>)?)?

?repeats the group contents below at most once:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

Character Class[aA]

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

Athe literal A (65₁₀ / 101₈ / 41₁₆) (case sensitive)

\sany whitespace character

\w+any word character, repeated at least once

="the literal text ="

Character Class[\-\/\wÅåÄäÖö;,.\(\)\[\]&\s]+

+matches at least one character from the set below:

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\wany word character

Åthe literal Å (197₁₀ / 305₈ / C5₁₆) (case sensitive)

åthe literal å (229₁₀ / 345₈ / E5₁₆) (case sensitive)

Äthe literal Ä (196₁₀ / 304₈ / C4₁₆) (case sensitive)

äthe literal ä (228₁₀ / 344₈ / E4₁₆) (case sensitive)

Öthe literal Ö (214₁₀ / 326₈ / D6₁₆) (case sensitive)

öthe literal ö (246₁₀ / 366₈ / F6₁₆) (case sensitive)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

&the literal & (38₁₀ / 46₈ / 26₁₆)

\sany whitespace character

">the literal text ">

Non-Capturing Group(?:<\/[aA]>)?

?repeats the group contents below at most once:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Character Class[aA]

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

Athe literal A (65₁₀ / 101₈ / 41₁₆) (case sensitive)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Character Class[\-\/\wÅåÄäÖö;,.\(\)\[\]&\s]+

+matches at least one character from the set below:

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\wany word character

Åthe literal Å (197₁₀ / 305₈ / C5₁₆) (case sensitive)

åthe literal å (229₁₀ / 345₈ / E5₁₆) (case sensitive)

Äthe literal Ä (196₁₀ / 304₈ / C4₁₆) (case sensitive)

äthe literal ä (228₁₀ / 344₈ / E4₁₆) (case sensitive)

Öthe literal Ö (214₁₀ / 326₈ / D6₁₆) (case sensitive)

öthe literal ö (246₁₀ / 366₈ / F6₁₆) (case sensitive)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

&the literal & (38₁₀ / 46₈ / 26₁₆)

\sany whitespace character

Non-Capturing Group(?:<\/strong>)?

?repeats the group contents below at most once:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

strong>the literal text strong> (case sensitive)

Character Class[\-\/\wÅåÄäÖö;,.\(\)\[\]&\s]+

+matches at least one character from the set below:

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\wany word character

Åthe literal Å (197₁₀ / 305₈ / C5₁₆) (case sensitive)

åthe literal å (229₁₀ / 345₈ / E5₁₆) (case sensitive)

Äthe literal Ä (196₁₀ / 304₈ / C4₁₆) (case sensitive)

äthe literal ä (228₁₀ / 344₈ / E4₁₆) (case sensitive)

Öthe literal Ö (214₁₀ / 326₈ / D6₁₆) (case sensitive)

öthe literal ö (246₁₀ / 366₈ / F6₁₆) (case sensitive)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

&the literal & (38₁₀ / 46₈ / 26₁₆)

\sany whitespace character

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

Unit Test Summary

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Quick Reference

25 tokens

Regular Expression

^(?:<[pP]>)?(?:<strong>)?(?:<[aA]\s\w+="[\-\/\wÅåÄäÖö;,.\(\)\[\]&\s]+">(?:<\/[aA]>)?)?[\-\/\wÅåÄäÖö;,.\(\)\[\]&\s]+(?:<\/strong>)?[\-\/\wÅåÄäÖö;,.\(\)\[\]&\s]+

Unit Tests

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