+++
# -----------------------------------------------------------------------
# Do not edit this file. It is automatically generated by API Documenter.
# -----------------------------------------------------------------------
title = "LogsParser"
keywords = ["grafana","documentation","sdk","@grafana/data"]
type = "docs"
+++
## LogsParser interface
Signature
```typescript
export interface LogsParser
```
Import
```typescript
import { LogsParser } from '@grafana/data';
```
Properties
| Property | Type | Description |
| --- | --- | --- |
| [buildMatcher](#buildmatcher-property) | (label: string) => RegExp
| Value-agnostic matcher for a field label. Used to filter rows, and first capture group contains the value. |
| [getFields](#getfields-property) | (line: string) => string[]
| Returns all parsable substrings from a line, used for highlighting |
| [getLabelFromField](#getlabelfromfield-property) | (field: string) => string
| Gets the label name from a parsable substring of a line |
| [getValueFromField](#getvaluefromfield-property) | (field: string) => string
| Gets the label value from a parsable substring of a line |
| [test](#test-property) | (line: string) => any
| Function to verify if this is a valid parser for the given line. The parser accepts the line unless it returns undefined. |
### buildMatcher property
Value-agnostic matcher for a field label. Used to filter rows, and first capture group contains the value.
Signature
```typescript
buildMatcher: (label: string) => RegExp;
```
### getFields property
Returns all parsable substrings from a line, used for highlighting
Signature
```typescript
getFields: (line: string) => string[];
```
### getLabelFromField property
Gets the label name from a parsable substring of a line
Signature
```typescript
getLabelFromField: (field: string) => string;
```
### getValueFromField property
Gets the label value from a parsable substring of a line
Signature
```typescript
getValueFromField: (field: string) => string;
```
### test property
Function to verify if this is a valid parser for the given line. The parser accepts the line unless it returns undefined.
Signature
```typescript
test: (line: string) => any;
```