As ASL matches input data, each character is evaluated until a pattern matches or fails. You can use two positional matching functions to specify the position where the parser starts to test a pattern.
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The tab() function
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The len() function
As ASL matches input data, each character is evaluated until a pattern matches or fails. You can use two positional matching functions to specify the position where the parser starts to test a pattern.
The tab() function
The len() function