## Syntax
```mermaid
%%{init: {
'theme': 'base',
'flowchart': { 'padding': '10' },
'themeVariables': {
'fontSize': '11px',
'fontFamily': 'Arial'
}
}}%%
flowchart LR
Start((START)) --> REGEXP_SUBSTR[REGEXP_SUBSTR]:::quoted
REGEXP_SUBSTR --> End((END))
```