ByteOffsetBefore

Typeoperator
DictionaryLCB
LibraryLiveCode Builder
Syntax
the ( first | last ) offset of <Needle> before <Before> in <Target>
Associationscom.livecode.byte
Summary

Finds the first or last occurrence of Needle before a specified index in Target.

Parameters
NameTypeDescription
Needle

An expression which evaluates to binary data.

Target

An expression which evaluates to binary data.

Before

An expression which evaluates to a valid integer index of Target.

Values
NameTypeDescription
return

Returns the offset of Needle before index Before in Target.

Description

The first (respectively last) offset of Needle in Target is number of bytes between the first byte of Target and the first (respectively last) occurrence of Needle before Before. If neither first or last is specified, then the last offset is found. If Needle does not occur before Before in Target, then the output is 0.

Tagsbinary