Returns the position of the first match of pattern
in this string, starting at start
, inclusive:
var string = 'Dartisans'; string.indexOf('art'); // 1 string.indexOf(new RegExp(r'[A-Z][a-z]')); // 0
Returns -1 if no match is found:
string.indexOf(new RegExp(r'dart')); // -1
start
must be non-negative and not greater than length.
int indexOf(Pattern pattern, [int start]);
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-core/String/indexOf.html