in src/main/java/org/apache/maven/shared/utils/StringUtils.java [1240:1259]
public static String stripStart(String str, @Nullable String strip) {
if (str == null) {
return null;
}
int start = 0;
int sz = str.length();
if (strip == null) {
while ((start != sz) && Character.isWhitespace(str.charAt(start))) {
start++;
}
} else {
while ((start != sz) && (strip.indexOf(str.charAt(start)) != -1)) {
start++;
}
}
return str.substring(start);
}