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Last updated on: April 17, 2021
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Onetastic Macro Documentation > Functions > String Functions > String_FindLastOf

String_FindLastOf

Finds the last occurence of any of the given characters in an input string. Returns true if one was found and the offset it was found at, false otherwise.

Syntax

Bool String_FindLastOf(
	String string, 
	String characters, 
	Numeric offset, 
	out Numeric foundAt)

Parameters

String string
String to search in.
String characters
The set of characters to look for.
Numeric offset
Offset of the input string to start search from. If positive, search will only look at this number of characters at the beginning of the string. If negative, the search will not include this number of characters at the end of the string. If zero, the search will include the whole string.
out Numeric foundAt
If any of the characters is found, the offset of the last occurence is stored in this variable.

Examples

// 1 2 3 4 // 01234567890123456789012345678901234567890 $string = "a4 b6 c5 4a b6 d5 f6 d7 e4 b6 c2 56 d4 5a" // ^ ^ ^ ^ // Instances of c, 7 and f are marked with ^ // Find last instance of c, 7, or f String_FindLastOf($string, "c7f", 0, $foundAt) // Returns true, $foundAt is 30 // Find last instance within the first 20 characters String_FindLastOf($string, "c7f", 9, $foundAt) // Returns true, $foundAt is 18 // Find last instance skipping the last 30 characters String_FindLastOf($string, "c7f", -30, $foundAt) // Returns true, $foundAt is 6 // Not found String_FindLastOf($string, "abc", 0, $foundAt) // Returns false, $foundAt is not modified

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