StrCSpn, StrCSpnReverse: Scan strings for characters - Revision history

213.17.152.10: /* Example of Usage */

2006-06-13T07:44:34Z

Example of Usage

â† Older revision		Revision as of 07:44, 13 June 2006
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	Push "abcdefghijklmnopqrstuvwxyz "		Push "abcdefghijklmnopqrstuvwxyz "
	Push "This string contains at least one of them!"		Push "This string contains at least one of them!"
	Call ~~StrCSpn~~		Call StrCSpnReverse
	Pop $R0 ; $R0 == !		Pop $R0 ; $R0 == !
	StrCmp $R0 "" +2		StrCmp $R0 "" +2

Afrow UK: /* Example of Usage */

2005-10-20T18:40:08Z

Example of Usage

â† Older revision		Revision as of 18:40, 20 October 2005
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	=== Example of Usage ===		=== Example of Usage ===
	<highlight-nsis>		<highlight-nsis>
	Push "! "		Push "`Â¬Â¦!$\"Â£$$%^&*()_-+={[]}:;@'~#<>,.?/\\| $\t"
	Push "This string contains at least one of them!"		Push "This string contains at least one of them!"
	Call StrCSpn		Call StrCSpn

Afrow UK: /* Example of Usage */

2005-10-20T18:37:43Z

Example of Usage

â† Older revision		Revision as of 18:37, 20 October 2005
Line 12:		Line 12:
	=== Example of Usage ===		=== Example of Usage ===
	<highlight-nsis>		<highlight-nsis>
	Push "~~abcdxyz~~"		Push "! "
	Push "This string contains at ~~le'''a'''st~~ one of them!"		Push "This string contains at least one of them!"
	Call StrCSpn		Call StrCSpn
	Pop $R0 ; $R0 == a		Pop $R0 ; $R0 == !
	StrCmp $R0 "" +2		StrCmp $R0 "" +2
	MessageBox MB_OK\|MB_ICONEXCLAMATION 'String contains invalid character: $R0'		MessageBox MB_OK\|MB_ICONEXCLAMATION 'String contains invalid character: $R0'

Afrow UK: /* Example of Usage */

2005-10-20T18:35:46Z

Example of Usage

â† Older revision		Revision as of 18:35, 20 October 2005
Line 68:		Line 68:
	=== Example of Usage ===		=== Example of Usage ===
	<highlight-nsis>		<highlight-nsis>
	Push "~~abcdxyz~~"		Push "abcdefghijklmnopqrstuvwxyz "
	Push "This string contains at least one of them!"		Push "This string contains at least one of them!"
	Call StrCSpn		Call StrCSpn

Afrow UK: /* Example of Usage */

2005-10-20T18:34:34Z

Example of Usage

â† Older revision		Revision as of 18:34, 20 October 2005
Line 69:		Line 69:
	<highlight-nsis>		<highlight-nsis>
	Push "abcdxyz"		Push "abcdxyz"
	Push "This string contains at least one of them~~'''~~!~~'''~~"		Push "This string contains at least one of them!"
	Call StrCSpn		Call StrCSpn
	Pop $R0 ; $R0 == !		Pop $R0 ; $R0 == !

ConversionBot: Adding new author and category links.

2005-06-24T13:53:28Z

Adding new author and category links.

â† Older revision		Revision as of 13:53, 24 June 2005
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	~~{\|align=right~~		{{PageAuthor\|Afrow UK}}
	~~\|<small>Author: [[~~{{~~ns:2}}:Afrow UK~~\|Afrow UK~~]] ([[{{ns:3~~}~~}:Afrow UK\|talk]], [[{{ns:-1}}:Contributions/Afrow UK\|contrib]])</small>~~
	\|}
	~~<br style="clear:both;">~~
	== Description ==		== Description ==
	These functions allow you to scan strings for characters.		These functions allow you to scan strings for characters.
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	Written for [[user:Yurik\|Yurik]] in [http://forums.winamp.com/showthread.php?postid=1489629 this forum topic].		Written for [[user:Yurik\|Yurik]] in [http://forums.winamp.com/showthread.php?postid=1489629 this forum topic].

	[[~~{{ns:14}}~~:String Functions]]		[[Category:String Functions]]

ConversionBot: Added category links.

2005-04-30T22:17:48Z

Added category links.

â† Older revision		Revision as of 22:17, 30 April 2005
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	== Credits ==		== Credits ==
	Written for [[user:Yurik\|Yurik]] in [http://forums.winamp.com/showthread.php?postid=1489629 this forum topic].		Written for [[user:Yurik\|Yurik]] in [http://forums.winamp.com/showthread.php?postid=1489629 this forum topic].

			[[{{ns:14}}:String Functions]]

ConversionBot: Updated author links.

2005-04-30T03:04:18Z

Updated author links.

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 == Description ==
 These functions allow you to scan strings for characters.
@@ Line 118: / Line 122: @@
 == Credits ==
 Written for [[user:Yurik|Yurik]] in [http://forums.winamp.com/showthread.php?postid=1489629 this forum topic].

ConversionBot: Updated author and download links, and changed format of some pages.

2005-04-23T12:44:13Z

Updated author and download links, and changed format of some pages.

â† Older revision		Revision as of 12:44, 23 April 2005
Line 119:		Line 119:
	Written for [[user:Yurik\|Yurik]] in [http://forums.winamp.com/showthread.php?postid=1489629 this forum topic].		Written for [[user:Yurik\|Yurik]] in [http://forums.winamp.com/showthread.php?postid=1489629 this forum topic].

	Page author: Afrow UK		Page author: [[User:Afrow UK\|Afrow UK]]

ConversionBot: Wikipedia python library

2005-04-09T20:56:38Z

Wikipedia python library

New page

== Description ==
These functions allow you to scan strings for characters.

For both functions, the first invalid character found is returned, else null ("") is returned if no invalid characters are found.

== StrCSpn ==
=== Description ===
This function (StrCSpn) checks a string for invalid characters on a list.

=== Example of Usage ===
<highlight-nsis>
Push "abcdxyz"
Push "This string contains at le'''a'''st one of them!"
Call StrCSpn
Pop $R0 ; $R0 == a
StrCmp $R0 "" +2
MessageBox MB_OK|MB_ICONEXCLAMATION 'String contains invalid character: $R0'
</highlight-nsis>

=== The Function ===
<highlight-nsis>
Function StrCSpn
Exch $R0 ; string to check
Exch
Exch $R1 ; string of chars
Push $R2 ; current char
Push $R3 ; current char
Push $R4 ; char loop
Push $R5 ; char loop

StrCpy $R4 -1

NextChar:
StrCpy $R2 $R1 1 $R4
IntOp $R4 $R4 - 1
StrCmp $R2 "" StrOK

StrCpy $R5 -1

NextCharCheck:
StrCpy $R3 $R0 1 $R5
IntOp $R5 $R5 - 1
StrCmp $R3 "" NextChar
StrCmp $R3 $R2 0 NextCharCheck
StrCpy $R0 $R2
Goto Done

StrOK:
StrCpy $R0 ""

Done:

Pop $R5
Pop $R4
Pop $R3
Pop $R2
Pop $R1
Exch $R0
FunctionEnd
</highlight-nsis>

== StrCSpnReverse ==
=== Description ===
This function (StrCSpnReverse) checks a string for invalid characters '''not''' on a list.

=== Example of Usage ===
<highlight-nsis>
Push "abcdxyz"
Push "This string contains at least one of them'''!'''"
Call StrCSpn
Pop $R0 ; $R0 == !
StrCmp $R0 "" +2
MessageBox MB_OK|MB_ICONEXCLAMATION 'String contains invalid character: $R0'
</highlight-nsis>

=== The Function ===
<highlight-nsis>
Function StrCSpnReverse
Exch $R0 ; string to check
Exch
Exch $R1 ; string of chars
Push $R2 ; current char
Push $R3 ; current char
Push $R4 ; char loop
Push $R5 ; char loop

StrCpy $R4 -1

NextCharCheck:
StrCpy $R2 $R0 1 $R4
IntOp $R4 $R4 - 1
StrCmp $R2 "" StrOK

StrCpy $R5 -1

NextChar:
StrCpy $R3 $R1 1 $R5
IntOp $R5 $R5 - 1
StrCmp $R3 "" +2
StrCmp $R3 $R2 NextCharCheck NextChar
StrCpy $R0 $R2
Goto Done

StrOK:
StrCpy $R0 ""

Done:

Pop $R5
Pop $R4
Pop $R3
Pop $R2
Pop $R1
Exch $R0
FunctionEnd
</highlight-nsis>

== Credits ==
Written for [[user:Yurik|Yurik]] in [http://forums.winamp.com/showthread.php?postid=1489629 this forum topic].

Page author: Afrow UK