if (!String.prototype.trim) { String.prototype.trim = function() { return this.replace(/^\s+|\s+$/g, ''); }; } 在这个实现中,我们检查了trim是否已经存在于String.prototype中。如果不存在,我们就定义一个。这个trim方法的实现利用了正则表达式:/^\s+|\s+$/g,其中^匹配字符串的开头,\s+匹配...
...语法: string.trim() 实例: var str = " www.w3h5.com "; console.log(str); # www.w3h5.com 因为 trim(... www.w3h5.com "); alert(str); } myFunction() # www.w3h5.com 未经允许不得转载:w3h5 » JavaScript trim...()方法 删除字符串的头尾空白符...
server" ID="ScriptManager1"> </asp:ScriptManager> function runSample() { var myString = " A string "; // Remove any leading and trailing white spaces. myString = myString.trim(); alert("Test:" + myString + "."); } // Displays: "Test:A string." runSample(); See Also...
LTrim(string) RTrim(string) Trim(string) The requiredstringargument is any valid string expression. Ifstringcontains Null,Nullis returned. Query examples VBA example Note:Examples that follow demonstrate the use of this function in a Visual Basic for Applications (VBA) module. For more information ...
方法1 function cleanData($da 浏览1提问于2013-05-25得票数 0 回答已采纳 5回答 这是不是有点过头了,还是我做的对? 、 可能重复: $username = mysql_real_escape_string(htmlspecialchars(strip_tags(trim($_POST['username'])), ENT_QUOTES));为了插入数据,我重复使用相同<e 浏览4提问于2011-04-29...
The TRIM function syntax has the following arguments: TextRequired. The text from which you want spaces removed. Example Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Ent...
The VBA TRIM Function Summary The Trim function in VBA removes the leading and trailing spaces from a supplied text string. Syntax Trim(string) Arguments ArgumentRequired/OptionalValue string Required It can be a text string or a variable that holds a text string. Note: The string can also be...
Finding LENGTH of a String in SQLite To find the length of a string use the LENGTH(X) where X is a string value. If X is a null value, the length function will return a null value. You can also use the length function with numeric values to get the length of the numeric value. ...
and may not be noticeableinthe overall benchmarks here,33-- but there's little harm either. Instead replacing the first `match`34--with a `find` has a similar effect, but that requires localizing35-- two functionsinthe trim7 variant below.3637local match =string.match38function trim7(s...
Use of TRIM() Function: The uses of the TRIM() function with the different options by using string data and the date of the table are provided in this part of this tutorial. Example 1: Using TRIM() Function Without Option The use of the TRIM() function without any option is discussed...