Cannot convert string to IEnumerable<string> [duplicate]

Question

I need to convert string to IEnumerable<string> by every newline character.

I just want the same functionality as File.ReadLines without loading any file, rather taking it from a previously loaded string.

@canton7 Actually .Split(Environment.NewLine, StringSplitOptions.None) would be a better choice. — juharr
– juharr, Commented Jul 2, 2021 at 15:06
@juharr Actually, it depends on the requirements. Who's to say their string has line endings which match Environment.NewLine? — canton7
– canton7, Commented Jul 2, 2021 at 15:07

JL0PD · Accepted Answer · 2021-07-02 15:05:29Z

1

String.Split can split your string and give you string[]

Usage

string someString = ...;
string[] lines = someString.Split('\n');
IEnumerable<string> linesAsEnumerable = lines;

DoSomethingWithLines(linesAsEnumerable);

answered Jul 2, 2021 at 15:05

JL0PD

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4 Comments

Alejandro Over a year ago

Or even better IEnumerable<string> lines = someString.Split(Environment.NewLine);.

juharr Over a year ago

@Alejandro It has to be Split(Environment.NewLine, StringSplitOptions.None) because Environment.NewLine is a string and there is no override of Split that just takes a single string argument.

JL0PD Over a year ago

@Alejandro, yes, but I've created string[] variable to show actual return type. IEnumerable<string> slower to process than raw array

Servy Over a year ago

@Alejandro The question specifically specified the newline character, not the OS's new line character sequence. Given that they're not reading a file, there's no reason to assume the OS's new line string is what that string uses.

Mureinik · Accepted Answer · 2021-07-02 15:05:28Z

0

You could split it according to the newline character:

String[] lines = fileContenets.Split('\n');

answered Jul 2, 2021 at 15:05

Mureinik

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