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parseVariableExpression() function
Parses an expression that may contain Uniform variables and invokes a callback for each text or variable token found
Signature:
Parameters
<table><thead><tr><th>
Parameter
</th><th>
Type
</th><th>
Description
</th></tr></thead> <tbody><tr><td>
serialized
</td><td>
string
</td><td>
</td></tr> <tr><td>
onToken
</td><td>
(token: string, type: 'text' | 'variable') => void | false
</td><td>
(Optional)
</td></tr> </tbody></table> Returns:
number
the number of tokens found in the string (variable or text)