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Extracts the substring from the string starting at index pos and for length characters. If pos > len(string), px.substr returns the empty string. If pos < len(string) but pos + length > len(string), px.substr returns the maximum length substring starting at pos
The substring from `string`.
| Variable | Type | Description |
|---|---|---|
| string | STRING | The string to get the substring from. |
| pos | INT64 | The position to start the substring, inclusive. |
| length | INT64 | The length of the substring to return. |
df.service = 'checkout'df.str = px.substring(df.service, 1, 5) # 'hecko'