SQL Charindex
From Logic Wiki
Searches an expression for another expression and returns its starting position if found.
Syntax
CHARINDEX ( expressionToFind ,expressionToSearch [ , start_location ] )
Arguments
expressionToFind
Is a character expression that contains the sequence to be found. expressionToFind is limited to 8000 characters.
expressionToSearch
Is a character expression to be searched.
start_location
Is an integer or bigint expression at which the search starts. If start_location is not specified, is a negative number, or is 0, the search starts at the beginning of expressionToSearch.