Asp.net verifies whether a string meets the specified Regular Expression

Source: Internet
Author: User

/// <Summary>
/// Quickly verify whether a string matches the specified regular expression.
/// </Summary>
/// <Param name = "_ Express"> content of the regular expression. </Param>
/// <Param name = "_ value"> string to be verified. </Param>
/// <Returns> whether the bool value is valid. </Returns>
Public static bool quickvalidate (string _ Express, string _ value)
{
If (_ value = NULL) return false;
System. Text. regularexpressions. RegEx myregex = new system. Text. regularexpressions. RegEx (_ express );
If (_ value. Length = 0)
{
Return false;
}
Return myregex. ismatch (_ value );
}
Usage:
/// <Summary>
/// Determine whether it is a number, including decimals and integers.
/// </Summary>
/// <Param name = "_ value"> string to be verified. </Param>
/// <Returns> whether the bool value is valid. </Returns>
Public static bool isnumber (string _ value)
{
Return validator. quickvalidate ("^ (0 | ([1-9] + [0-9] *) (. [0-9] + )? $ ", _ Value );
}

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