采用正则表达式的四则运算:在VBA环境中,如何使用正则表达式,将正则表达式应用到四则运算中的算是分解中。 Dim r1 As RegExp Dim m1 As Match Dim mc1 As MatchCollection Dim str As String Dim sstr As String Set r = New RegExp Set r1 = New RegExp r.Global = True r1.Global = True r.Pattern = "\w*\([^()]*\)"
function isDigit(s) { var patrn=/^[0-9]{1,20}$/; if (!patrn.exec(s)) return false return true } //校验登录名:只能输入5-20个以字母开头、可带数字、“_”、“.”的字串 function isRegisterUserName(s) { var patrn=/^[a-zA-Z]{1}([a-zA-Z0-9]|[._]){4,19}$/; if (!patrn.exec(s)) return fal