# TS1500: Duplicate regular expression flag.

> A regular expression literal repeats a flag, like `/a/gg`. Remove the duplicate.

## What it means

Each flag can appear once after a regular expression literal.

## Example

```ts
export const re = /abc/gig;
```

## How to fix

- Remove the repeated letter.

Source: https://ts-r.dev/errors/TS1500/