In this article, we will check if any string contains a particular character or not. We will print to the webpage if it contains the character in the string otherwise not. Here's a PHP script to implement this functionality. We will be using strpos() function, which expects two parameter...
Checks if all of the characters in the providedstring,text, are numerical. 参数 text The tested string. 返回值 ReturnsTRUEif every character in the stringtextis a decimal digit,FALSEotherwise. 更新日志 版本说明 5.1.0Before PHP 5.1.0, this function returnedTRUEwhentextwas an empty string. ...
bool ctype_graph ( string $text ) Checks if all of the characters in the provided string, text, creates visible output. 参数 text The tested string. 返回值 Returns TRUE if every character in text is printable and actually creates visible output (no white space), FALSE otherwise. 范例...
Check for lowercase character(s) 说明 bool ctype_lower ( string $text ) Checks if all of the characters in the provided string, text, are lowercase letters. 参数 text The tested string. 返回值 Returns TRUE if every character in text is a lowercase letter in the current locale. ...
Checks if all of the characters in the provided string, text, are numerical. 参数 text The tested string. 返回值 Returns TRUE if every character in the string text is a decimal digit, FALSE otherwise. 更新日志 版本说明 5.1.0 Before PHP 5.1.0, this function returned TRUE when text was ...
bool ctype_graph ( string $text ) Checks if all of the characters in the provided string, text, creates visible output. 参数 text The tested string. 返回值 Returns TRUE if every character in text is printable and actually creates visible output (no white space), FALSE otherwise. 范例...
check character in string of another table Maruthavanan Subbarayan January 04, 2010 11:31AM Re: check character in string of another table Rick James January 05, 2010 09:54PM Re: check character in string of another table Devart Team January 06, 2010 02:48AM Re: check chara...
In JavaScript, there is no built-in function to check if every character in a given string is in uppercase format or not. So, we have to implement our function. Here, we will create a function calledisUpperCase(), an anonymous arrow function, to tell us whether all the characters in a...
The tested string. 返回值 Returns TRUE if every character in text is an uppercase letter in the current locale. 范例 Example #1 A ctype_upper() example (using the default locale) <?php$strings = array('AKLWC139', 'LMNSDO', 'akwSKWsm');foreach ($strings as $testcase) { if (ctype...
Suppose we have a string s that contains alphanumeric characters, we have to check whether the average character of the string is present or not, if yes then return that character. Here the average character can be found by taking floor of average of each character ASCII values in s. So,...