Call string.IndexOf instead of string.Contains

Property	Value
Id	RR0144
Applicable Syntax	method invocation
Syntax Span	method name
Enabled by Default	✓

Usage

Example #1

before.cs

if (s.Contains("a"))
{
{

after.cs

if (s.IndexOf("a", StringComparison.OrdinalIgnoreCase) != -1)
{
{

Configuration

roslynator_refactoring.call_indexof_instead_of_contains.enabled = true|false