Regular Expressions 101

Explanation

Pro

Character Class[\s]*

*matches any number of characters from the set below:

\sany whitespace character

Group 1([\/+\s\w@'\,\.()\-\*\-\>\<\_\"]*)?

?repeats the group contents below at most once:

Character Class[\/+\s\w@'\,\.()\-\*\-\>\<\_\"]*

*matches any number of characters from the set below:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

\sany whitespace character

\wany word character

@the literal @ (64₁₀ / 100₈ / 40₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

\,the literal , (44₁₀ / 54₈ / 2C₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\>the literal > (62₁₀ / 76₈ / 3E₁₆)

\<the literal < (60₁₀ / 74₈ / 3C₁₆)

\_the literal _ (95₁₀ / 137₈ / 5F₁₆)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

Character Class[\n]*

*matches any number of characters from the set below:

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

UFUNCTIONthe literal text UFUNCTION (case sensitive)

Character Class[(]

(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 2([\w<>\s\(\)\=\,\"\| ]*|\n]*)

1st Alternative[\w<>\s\(\)\=\,\"\| ]*

Character Class[\w<>\s\(\)\=\,\"\| ]*

*matches any number of characters from the set below:

\wany word character

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

\sany whitespace character

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

\=the literal = (61₁₀ / 75₈ / 3D₁₆)

\,the literal , (44₁₀ / 54₈ / 2C₁₆)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

2nd Alternative\n]*

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

]*the literal ] (93₁₀ / 135₈ / 5D₁₆) , repeated any number of times

Character Class[\)]

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

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

\sany whitespace character

Group 3(virtual)*

*repeats the group contents below any number of times:

virtualthe literal text virtual (case sensitive)

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

Group 4(static)*

*repeats the group contents below any number of times:

staticthe literal text static (case sensitive)

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

Group 5(\w+\&?\*?)

\w+any word character, repeated at least once

\&?optionally matches the literal & (38₁₀ / 46₈ / 26₁₆)

\*?optionally matches the literal * (42₁₀ / 52₈ / 2A₁₆)

\sany whitespace character

Group 6(\w+)

\w+any word character, repeated at least once

Character Class[(]

(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 7([\w<>\s,&\*]*|\n]*)

1st Alternative[\w<>\s,&\*]*

Character Class[\w<>\s,&\*]*

*matches any number of characters from the set below:

\wany word character

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

\sany whitespace character

,the literal , (44₁₀ / 54₈ / 2C₁₆)

&the literal & (38₁₀ / 46₈ / 26₁₆)

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

2nd Alternative\n]*

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

]*the literal ] (93₁₀ / 135₈ / 5D₁₆) , repeated any number of times

Character Class[)]

)the literal ) (41₁₀ / 51₈ / 29₁₆)

Character Class[\s]*

*matches any number of characters from the set below:

\sany whitespace character

Group 8([const]*)

Character Class[const]*

*matches any number of characters from the set below:

cthe literal c (99₁₀ / 143₈ / 63₁₆) (case sensitive)

othe literal o (111₁₀ / 157₈ / 6F₁₆) (case sensitive)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case sensitive)

sthe literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

tthe literal t (116₁₀ / 164₈ / 74₁₆) (case sensitive)

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

[\s]*([\/+\s\w@'\,\.()\-\*\-\>\<\_\"]*)?[\n]*UFUNCTION[(]([\w<>\s\(\)\=\,\"\| ]*|\n]*)[\)]\n\s(virtual)*\s*(static)*\s*(\w+\&?\*?)\s(\w+)[(]([\w<>\s,&\*]*|\n]*)[)][\s]*([const]*)

Unit Tests

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