StringUtil | /benchmark/internal/StringUtil.ts | tstl@v3.0.0

method StringUtil.between

import { StringUtil } from "https://deno.land/x/tstl@v3.0.0/benchmark/internal/StringUtil.ts";

between(

str: string,

start?: string,

end?: string,

): string

Generate a substring.

Extracts a substring consisting of the characters from specified start to end. It's same with str.substring( ? = (str.find(start) + start.size()), str.find(end, ?) )

const str: string = StringUtil.between("ABCD(EFGH)IJK", "(", ")");
console.log(str); // PRINTS "EFGH"

If start is not specified, extracts from begin of the string to end.
If end is not specified, extracts from start to end of the string.
If start and end are all omitted, returns str, itself.

Parameters

str: string

Target string to be applied between.

optional

start: string = [UNSUPPORTED]

A string for separating substring at the front.

optional

end: string = [UNSUPPORTED]

A string for separating substring at the end.

Returns

string

substring by specified terms.