RegEx works simple case, but not real life

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RegEx works simple case, but not real life

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TestPilot

Joined: 26 Jun 2007
Posts: 52

Posted: Tue Oct 13, 2009 11:37 am Post subject: RegEx works simple case, but not real life

I need to match anything that starts with "[[Daten:" and ends with "]]"
Regex that works:

Code:

\[\[\Datei:.*.*?]]

It works on

Code:

useful info[[Datei:string to match]]useful info

but not on

Code:

useful info[[Datei:string
something here on a new line
to match]]useful info[[something that don't need to be matched]] something else

And i could not figure out way to fix it...

n-l-i-d
Guest

Posted: Tue Oct 13, 2009 12:29 pm Post subject:

Code:

haystack =
(
useful info[[Datei:string
something here on a new line
to match]]useful info[[something that don't need to be matched]] something else
)

needle = m)\[\[Datei:(.*?)]]

RegExMatch(haystack, needle, result)

MsgBox % result1

Returns:

Quote:

string
something here on a new line
to match

m) = multi-line (optional), in this case it is not necessary. See also the x) option
(.*?) = return everything between the parentheses

HTH

HotKeyIt

Joined: 18 Jun 2008
Posts: 4652
Location: AHK Forum

Posted: Tue Oct 13, 2009 12:32 pm Post subject:

. (dot) in AutoHotkey Help Regular Expressions (RegEx) - Quick Reference wrote:

A dot matches any single character (except newline: `r and `n). For example, ab. matches abc and abz and ab_

Code:

variable1=useful info[[Datei:string to match]]useful info
variable2=
(Join`r`n
useful info[[Datei:string
something here on a new line
to match]]useful info[[something that don't need to be matched]] something else
)
Loop 2
MsgBox % RegExMatch(variable%A_Index%,"\[\[Datei:[^]]*?]]")

;So this is not enough to work on `r`n which is included when you use FileRead or Notepad Edit text etc.
MsgBox % RegExMatch(variable2, "m)\[\[Datei:(.*?)]]")

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flak

Joined: 02 Oct 2009
Posts: 283

Posted: Tue Oct 13, 2009 1:29 pm Post subject:

. (dot) in AutoHotkey Help Regular Expressions (RegEx) - Quick Reference wrote:

A dot matches any single character (except newline: `r and `n). For example, ab. matches abc and abz and ab_

s option wrote:

DotAll. This causes a period (.) to match all characters including newlines (normally, it does not match newlines).

RegExMatch(variable2, "s)\[\[Datei:(.*?)]]")
No?

TestPilot

Joined: 26 Jun 2007
Posts: 52

Posted: Tue Oct 13, 2009 1:52 pm Post subject:

Thanks n-l-i-d, HotKeyIt and flak! It worked somehow

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