regex url next slash mark?

youtuber · March 2, 2018

I would like to get only this part of this url https://autoit.com/test1 but all my tests are failing thanks for this . thanks

$url = "https://autoit.com/test1/test2/"
$Reg = StringRegExp($url, 'https?://*.*[^/]+', 3)

ConsoleWrite($Reg[0] & @CRLF)

ripdad · March 3, 2018

Much simpler than straining with a regex. Took me 2 minutes and I know it's accurate.

Local $url = 'https://autoit.com/test1/test2/'
Local $str = StringLeft($url, StringInStr($url, '/', 0, 4) - 1)
MsgBox(0, '', $str)

Bilgus · March 3, 2018

Took me 5 and its more flexible

$url = "https://autoit.com/test1/test2/test3/test4, http://autoet.com/test5/test6/, ftp://autovt.com/test7/test8/ "

$Reg = StringRegExp($url, '(?i).*?(..?tp.?://[^/]*.?[^/]*)', 3)
; (?i) caseless matching
; .*? 0 or more characters but doesn't keep them
; ( start a capturing group
; . any character 'f or h'
; .? 0 or 1 char 't or `none`'
; tp literally tp
; .? 0 or 1 char 'http>S<'
; : literal colon
; // literal slashes
;[^/]* all characters till a slash
;.? or or 1 character
;[^/]* all characters till a slash (again)
;) end capturing group
ConsoleWrite($Reg[0] & @CRLF & $Reg[1] & @CRLF& $Reg[2] & @CRLF)

Bilgus · March 3, 2018

oh outputs:

https://autoit.com/test1
http://autoet.com/test5
 ftp://autovt.com/test7

youtuber · March 3, 2018

@ripdad is also not suitable for me because I will do url verification at the same time.

@Bilgus your friend regex has worked well for me thank you.

(?i).*?(..?tp.?://[^/]*.?[^/]*)

maybe there is another alternative @mikell

mikell · March 3, 2018

For the fun

$sReg = StringRegExpReplace($url, '(.*?/){3}[^/]+\K.*', "")

But the usual way is more understandable/accurate/secure

$aReg = StringRegExp($url, 'https?://[^/]+/[^/]*', 1)

iamtheky · March 3, 2018

2 hours ago, youtuber said:

is also not suitable for me because I will do url verification at the same time.

Are you doing an inetget on the return to verify the url or are you just validating that the first 8 characters are https://? either way it's plenty suitable within the existing parameters.

mikell · March 3, 2018

2 hours ago, iamtheky said:

either way it's plenty suitable within the existing parameters

I totally agree. The code from ripdad in post #2 works the same way than my srer (find the 4th occurence of "/" and grab all chars on the left)
A less classy look maybe (though this could be discussed, for sure) but equal efficiency

Jury · March 4, 2018

$url = "https://autoit.com/test1/test2/"
$Reg = StringRegExpReplace($url, '(https://.*?/\w+).*?$', '$1')

ConsoleWrite($Reg & @CRLF)

Bilgus · March 4, 2018

OP said he wanted to validate the URL at the same time so how about we start getting crazy

$url = "https://autoit.com/test1/test2/test3/test4, http://autoet.com/test5/test6/, http://blank.com, http://blank.com/Nope/ ftp://autovt.com/test7/test8/ http://autoet.com/test9/test10/ "

$aReg = StringRegExp($url, '(?i)(?x) (?(DEFINE) (?<scheme>..?tps?://)(?<host>\w+\.\w{3}/?)(?<path>[^/\s,]+/))(?&scheme)(?&host)(?&path)(?&path)', 3)

For $i = 0 to UBound($aReg) - 1
    ConsoleWrite($aReg[$i] & @CRLF)
Next

https://autoit.com/test1/test2/
http://autoet.com/test5/test6/
 ftp://autovt.com/test7/test8/
http://autoet.com/test9/test10/

Edited March 4, 2018 by Bilgus
Forgot the outputs

youtuber · March 4, 2018

@Bilgus Thank you for your help

@mikell and @Bilgus I would like to ask you another question, what should be the pattern to cut the http:// or https:// and www. at the beginning?

https://autoit.com/test1/test2/
http://aut-oet.com/test5/test6/
https://www.autovt.com/test7/test8/
http://aut.oet.com/test9/test10/

(?:http[s]?:\/\/)?(?:www\.)?([^\/]+\/[^\/]*)

Edited March 4, 2018 by youtuber

Bilgus · March 4, 2018

You have to turn them into non capturing groups

$url = "test.com/test0/ https://autoit.com/test1/test2/test3/test4, http://autoet.com/test5/test6/, http://blank.com, http://blank.com/Nope/ ftp://autovt.com/test7/test8/ http://autoet.com/test9/test10/ "

;This one is wrong
;$aReg = StringRegExp($url, '(?i)(?(DEFINE)(?<host>\w+\.\w{3}/?)(?<path>[^/\s,]+/))(?!..?tps?://)(?&host)(?&path)', 3)
$aReg = (?i)(?x) (?(DEFINE) (?<scheme>..?tps?://)(?<host>\w+\.\w{3}/?)(?<path>[^/\s,]+/))(?&scheme)\K(?&host)(?&path)

For $i = 0 to UBound($aReg) - 1
    ConsoleWrite($aReg[$i] & @CRLF)
Next
ConsoleWrite(@CRLF)

$bReg = StringRegExp($url, '(?i).*?..?tps?://([^/]*.?[^/]*)', 3)

For $i = 0 to UBound($bReg) - 1
    ConsoleWrite($bReg[$i] & @CRLF)
Next

autoit.com/test1/
autoet.com/test5/
blank.com/Nope/
autovt.com/test7/
autoet.com/test9/

autoit.com/test1
autoet.com/test5
blank.com, http:/
autovt.com/test7
autoet.com/test9

Edited March 4, 2018 by Bilgus
Fixed

Bilgus · March 4, 2018

So for the top one first off you can see the validation is a bit more robust

I added \K to restart the match after matching Scheme

since as far as I know you can't use a named group as a capturing group

but we want it to be there for a valid match so we match it then reset the position for matching just after

Bilgus · March 4, 2018

Really for what you want it could be shortened to

$aReg = StringRegExp($url, '(?i)..?tps?://\K\w+\.\w{3}/?[^/\s,]+/', 3)

or

$aReg = StringRegExp($url, '(?i)(?x) (?(DEFINE)(?<path>[^/\s,]+/))..?tps?://\K\w+\.\w{3}/?(?&path)(?&path)', 3)

the second being just in case you decide you want more than a single portion of the path

iamtheky · March 4, 2018

or you could just do this

;~ $str = "https://autoit.com/test1/test2/"
;~ $str = "http://aut-oet.com/test5/test6/"
$str = "https://www.autovt.com/test7/test8/"
;~ $str =  "http://aut.oet.com/test9/test10/"


$sMid = Stringmid(stringleft($str , StringInStr($str , "/"  , 0 , 4) - 1) , stringinstr($str , "aut"))

msgbox(0, '' , $sMid)

youtuber · March 4, 2018

@Bilgus unfortunately some of your regex pattern unsuccessful domains are bypassing!

$url = "https://autoitscript.com/test1/test2/" & @CRLF & _
        "http://aut-oit.com/test5/test6/" & @CRLF & _
        "https://www.autoit.com/test7/test8/" & @CRLF & _
        "http://blog.autoitscript.com/test9/test10/"

$aReg1 = StringRegExp($url, '(?i)..?tps?://\K\w+\.\w{3}/?[^/\s,]+/', 3)
$aReg2 = StringRegExp($url, '(?i).*?..?tps?://([^/]*.?[^/]*)', 3)
$aReg3 = StringRegExp($url, '(?i)(?(DEFINE)(?<host>\w+\.\w{3}/?)(?<path>[^/\s,]+/))(?!..?tps?://)(?&host)(?&path)', 3)

ConsoleWrite("----" & "$aReg1 " & "----" & @CRLF)
For $i = 0 To UBound($aReg1) - 1
    ConsoleWrite($aReg1[$i] & @CRLF)
Next
ConsoleWrite(@CRLF)

ConsoleWrite("----" & "$aReg2 " & "----" & @CRLF)
For $i = 0 To UBound($aReg2) - 1
    ConsoleWrite($aReg2[$i] & @CRLF)
Next
ConsoleWrite(@CRLF)

ConsoleWrite("----" & "$aReg3 " & "----" & @CRLF)
For $i = 0 To UBound($aReg3) - 1

    ConsoleWrite($aReg3[$i] & @CRLF)
Next
ConsoleWrite(@CRLF)

console

----$aReg1 ----
autoitscript.com/test1/
www.autoit.com/
blog.autoitscript.com/

----$aReg2 ----
autoitscript.com/test1
aut-oit.com/test5
www.autoit.com/test7;---->here www. I do not want the part
blog.autoitscript.com/test9

----$aReg3 ----
autoitscript.com/test1/
oit.com/test5/
www.autoit.com/
blog.autoitscript.com/

Looks better

$aReg4 = StringRegExp($url, '(?i).*?..?tps?://?(?:www\.)?([^/]*.?[^/]*)', 3)

Edited March 4, 2018 by youtuber

Bilgus · March 4, 2018

I updated the post you might want to recheck it Sorry I realized when I was writing a follow up post that it wasn't right

youtuber · March 4, 2018

@Bilgus @mikell or Is it better? I do not know

(?i)(?:https?://)(?:www\.)?([^/]*.?[^/]*)

Edited March 4, 2018 by youtuber

Bilgus · March 5, 2018

$url = "https://autoitscript.com/test1/test2/" & @CRLF & _
        "http://aut-oit.com/test5/test6/" & @CRLF & _
        "https://www.autoit.com/test7/test8/" & @CRLF & _
        "https://google.com/test1/test2/" & @CRLF & _
        "http://qwerty.org/test5/test?/whatabout_a_page.html" & @CRLF & _
        "https://www.tungsten.com/test7/test8/metalisbetter.htm" & @CRLF & _
        "https://falsedomains.com/test1/test2/" & @CRLF & _
        "http://who%20is%20this/test5/test6/" & @CRLF & _;NO
        "https://www.autochecker.com/test7/test8/" & @CRLF & _
        "https://autobanks.com" & @CRLF & _;NO
        "http://aut_ofitbaddomain" & @CRLF & _;NO
        "https://www.autoit.biz/test7/test8/" & @CRLF

$aReg = StringRegExp($url, '(?i)https?://(?:www\.)?\K\S+\.\w{3}/?[^/\s,]+/', 3)

For $i = 0 to UBound($aReg) - 1
    ConsoleWrite($aReg[$i] & @CRLF)
Next
ConsoleWrite(@CRLF)

$bReg = StringRegExp($url, '(?i)(?:https?://)(?:www\.)?([^/]*.?[^/]*)',3)

For $i = 0 to UBound($bReg) - 1
    ConsoleWrite($bReg[$i] & @CRLF)
Next

Its easy enough to test

;'(?i)https?://(?:www\.)?\K\S+\.\w{3}/?[^/\s,]+/'
autoitscript.com/test1/
aut-oit.com/test5/
autoit.com/test7/
google.com/test1/
qwerty.org/test5/
tungsten.com/test7/
falsedomains.com/test1/
autochecker.com/test7/
autoit.biz/test7/


;'(?i)(?:https?://)(?:www\.)?([^/]*.?[^/]*)'

autoitscript.com/test1
aut-oit.com/test5
autoit.com/test7
google.com/test1
qwerty.org/test5
tungsten.com/test7
falsedomains.com/test1
who%20is%20this/test5
autochecker.com/test7
autobanks.com
http:/
autoit.biz/test7

as you can see the first one is still more robust although I still had to change it a bit to match your data URI have a list of valid characters but I don't know that I'd want to build a regex for them lol

Edited March 5, 2018 by Bilgus

youtuber · March 5, 2018

I do not want the right / slash at the end

(?i)https?://(?:www\.)?\K\S+\.\w{3}/?[^/\s,]+/

regex url next slash mark?

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