# Enumeration

## enum RegexFlag

```cangjie
public enum RegexFlag {
    | IgnoreCase
    | MultiLine
    | Unicode
}
```

Function: Used to specify pattern matching modes for regular expressions.

### IgnoreCase

```cangjie
IgnoreCase
```

Function: Specifies case-insensitive matching mode.

### MultiLine

```cangjie
MultiLine
```

Function: Specifies multiline text matching mode.

### Unicode

```cangjie
Unicode
```

Function: Specifies Unicode-supported matching mode.