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HurleyShanabarger

Replace leading Whitespace

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HurleyShanabarger

Hey guys,

I need to replace the leading whitespace per string and have the following functions. Version 2 is slighty faster, but is there a way to perform the action with only one line of regular expression?

 

Func _StringReplaceLeadingWS_V1(Const ByRef $sString, Const $sReplace = "")
    Local $_lv_sWS = StringRegExpReplace($sString, "^( *)(.*)$", "\1")

    Return StringRegExpReplace($_lv_sWS, " ", $sReplace) & StringRegExpReplace($sString, "^( *)(.*)$", "\2")
EndFunc   ;==>_StringReplaceLeadingWS_V1


Func _StringReplaceLeadingWS_V2(Const ByRef $sString, Const $sReplace = "")
    Local $_lv_sWS = StringRegExpReplace($sString, "^( *)(.*)$", "\1")

    Return StringRegExpReplace($_lv_sWS, " ", $sReplace) & StringTrimLeft($sString, StringLen($_lv_sWS))
EndFunc   ;==>_StringReplaceLeadingWS_V2

Thanks in advance.

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HurleyShanabarger

I need to replace, not strip/remove the whitespace.

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HurleyShanabarger
8 minutes ago, Subz said:

Although in saying that

ConsoleWrite(StringReplaceWS('   some text', 'next ') & @CRLF)
Func StringReplaceWS($sString, $sReplace)
    Return $sReplace & StringStripWS($sString, 1)
EndFunc

 

Thank you, I had that one, but that one is only adding the replace string one time and not for each whitespace.

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Malkey

This appears to work.

Local $Str = "  Here is a atring."

ConsoleWrite(_StringReplaceLeadingWS_V3($Str, "next ") & @CRLF)


Func _StringReplaceLeadingWS_V3($sString, $sReplace = "")
    Return StringReplace($sString, " ", $sReplace, (StringLen($sString) - StringLen(StringStripWS($sString, 1))))
EndFunc   ;==>_StringReplaceLeadingWS_V3

 

Edited by Malkey

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HurleyShanabarger
1 hour ago, Malkey said:

This appears to work.

Local $Str = "  Here is a atring."

ConsoleWrite(_StringReplaceLeadingWS_V3($Str, "next ") & @CRLF)


Func _StringReplaceLeadingWS_V3($sString, $sReplace = "")
    Return StringReplace($sString, " ", $sReplace, (StringLen($sString) - StringLen(StringStripWS($sString, 1))))
EndFunc   ;==>_StringReplaceLeadingWS_V3

 

And it is way faster then the other solutions, thanks alot.

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