> ## Documentation Index > Fetch the complete documentation index at: https://praison.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # Parse Utils • Rust AI Agent SDK > Parse Utilities # parse\_utils Rust AI Agent SDK Parse Utilities Utility functions for parameter parsing: * URL detection and parsing * Path detection * Typo suggestion (only on error path) * Error message generation * String cleaning utilities ## Import ```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}} use praisonai::parity::parse_utils::*; ``` ## Functions Detect URL scheme from a string. O(1) operation. Check if a string looks like a file path. O(1) operation. Check if a string is numeric. O(1) operation. Check if a string is a policy specification. O(1) operation. Policy strings have format: type:action (e.g., 'policy:strict', 'pii:redact') Parse a policy string into type and action. O(1) operation. Find the most similar string from candidates using Levenshtein distance. This function is ONLY called on error paths, never on happy paths. Clean triple backticks from a string (common in LLM outputs) Removes markdown code block markers like or Clean and normalize whitespace in a string Extract JSON from a string that may contain markdown code blocks Validate that all keys in a set are valid Create a helpful error message for invalid preset Create a helpful error message for invalid array format