SplitScript reference / Migration / Substring position

Substring position

Migration from C#

Source pattern

Look for the C# concept Substring position in the source. The semantic difference below is more important than a token-for-token rewrite.

Canonical SplitScript

Use the canonical language and API symbols linked below.

Semantic difference

Use indexOf for an optional UTF-8 byte offset; review C# UTF-16 index arithmetic and replace the -1 sentinel with T? handling.

Supported hosts

This uses the standard SplitScript runtime contract. Any provider-specific requirements are documented by the linked canonical API.