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detect_url_scheme

Function
This function is defined in the parse_utils module.
Detect URL scheme from a string. O(1) operation.

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Signature

def detect_url_scheme(value: str) -> Optional[str]

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Parameters

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value
str
required
String to check for URL scheme

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Returns

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Returns
Optional[str]
Scheme name (lowercase) if URL detected, None otherwise

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Usage

>>> detect_url_scheme("postgresql://localhost/db")
    'postgresql'
    >>> detect_url_scheme("redis://localhost:6379")
    'redis'
    >>> detect_url_scheme("not a url")
    None