PregReplace: Difference between revisions

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This function performs a regular expression search and replace and returns the replaced string.
This function performs a regular expression search and replace and returns the replaced string.
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{{Warning|When declaring a pattern string in quotes, the backslash character should be doubled up. e.g. "\\(" will match a single bracket.}}
{{Warning|Multiline flag does not work correctly}}


==Syntax==
==Syntax==

Revision as of 18:16, 11 January 2016

This function performs a regular expression search and replace and returns the replaced string.

[[|link=|]] Warning: When declaring a pattern string in quotes, the backslash character should be doubled up. e.g. "\\(" will match a single bracket.
[[|link=|]] Warning: Multiline flag does not work correctly

Syntax

string pregReplace ( string subject, string pattern, string replacement [, int/string flags ] )

Required Arguments

  • subject: The input string.
  • pattern: The pattern string to search for in the input string.
  • replacement: The replacement string to replace all matches within the input string.

Optional Arguments

  • flags: Conjuncted value that contains flags ( 1 - ignorecase, 2 - multiline, 4 - dotall, 8 - extended ) or ( i - Ignore case, m - Multiline, d - Dotall, e - Extended )

Returns

Returns the replaced string, or bool false otherwise.

Example

Click to collapse [-]
Shared ( client and server )

Some examples: 

addCommandHandler( 'examples',
	function( )
                -- Replace doh with done
		outputDebugString( pregReplace( 'I doh this, guys.', 'doh', 'done' ) or 'not replaced' ) -- Result: I done this, guys
                -- Remove all uppercase alphabetic characters
                outputDebugString( pregReplace( 'AaaBbbZzz', '[A-Z]{1,}', '' ) or 'not replaced' ) -- Result: aabbzz
	end
)

Requirements

This template will be deleted.

See Also


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