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/*
from a given string, all spaces on left and right side are trimmed,
both side trimmed string is given back
J.M., 21.02.2009 / 18:54
*/

fullstringtrim(text)
{
Length := StrLen(text)

; find all spaces on text's left side
LZ_left:=0
loop %length%
{
textchar:= Asc(SubStr(text,A_index,1))
if textchar = 32 ; is it a space ?
LZ_left+=1
else
break ; first good char found, exit
}

; find all spaces on text's right side
LZ_right:=0
loop %length%
{
textchar:= Asc(SubStr(text,length+1-A_index,1))
if textchar = 32 ; is it a space ?
LZ_right+=1
else
break ; first good char found, exit
}
treturn:=SubStr(text,LZ_left+1,length-LZ_left-LZ_right)
return treturn
}

; from a given string, all spaces on left and right side are trimmed

text := "     text with leading trailing white space    "
trimmedText := fullstringtrim(text)
msgbox, Trimmed string: [[%trimmedText%]]

fullstringtrim(text) {
  trimState := A_AutoTrim ; save current autotrim state
  AutoTrim, On           ; make sure autotrim is on
  trimmedtext = %text%     ; trim the leading/trailing white space
  AutoTrim, %trimState%     ; restore autotrim state
  return trimmedtext     ; return the trimmed text
}

String := "     The Quick Brown Fox     "

StringA := RegExReplace(String, "(^\s*|\s*$)")
MsgBox,0, AllTrim, % "[" StringA "]"

StringL := RegExReplace(String, "^\s*")       
MsgBox,0, LTrim, % "[" StringL "]"

StringR := RegExReplace(String, "\s*$")
MsgBox,0, RTrim, % "[" StringR "]"

String := "     The Quick Brown Fox     "
DllCall( "shlwapi.dll\PathRemoveBlanksA", Str,String )
MsgBox, % "[" String "]"