#region 移除前导/后导字符串
///
/// 移除前导字符串
///
/// 源字符串
/// 移除字符串
///
public static string TrimStart(string sourceStr, string trimStr)
{
return TrimStart(sourceStr, trimStr, true);
}
///
/// 移除前导字符串
///
/// 源字符串
/// 移除字符串
/// 是否忽略大小写
///
public static string TrimStart(string sourceStr, string trimStr, bool ignoreCase)