--- /dev/null
+'use strict';
+
+module.exports = locate;
+
+function locate(value, fromIndex) {
+ var asterisk = value.indexOf('**', fromIndex);
+ var underscore = value.indexOf('__', fromIndex);
+
+ if (underscore === -1) {
+ return asterisk;
+ }
+
+ if (asterisk === -1) {
+ return underscore;
+ }
+
+ return underscore < asterisk ? underscore : asterisk;
+}