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String processing class

php string class

String processing class

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php string class Introducing a php string class commonly used in development. I hope it will be helpful to friends’ learning and practice. Friends who need it can modify it by themselves. Random string, single interception String, intercept strings in batches, Generate unique ID.

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How to use the contains() method of the String class for string matching

24 Jul 2023

How to use the contains() method of the String class for string matching. In Java programming, string processing is a very common operation. String matching is one of the common operations used to determine whether a string contains another string. Java's String class provides the contains() method to facilitate string matching. This article will introduce in detail how to use the contains() method of the String class for string matching and give code examples. S

How to convert string to uppercase using toUpperCase() function of String class in Java

26 Jul 2023

How to convert a string to uppercase in Java using toUpperCase() function of String class In Java, String class is a very commonly used class that provides many methods for processing strings. One very useful method is toUpperCase(), which converts a string to uppercase. The use of toUpperCase() method is very simple, just call this method. Here is a sample code that shows how to use toUp

How to convert string to byte array using getBytes() function of String class in Java

25 Jul 2023

How does Java use the getBytes() function of the String class to convert a string into a byte array? In Java, the String class stores strings in character form, and sometimes we need to convert strings into byte arrays for processing. This You can use the getBytes() function of the String class to complete the conversion. The getByte() function will encode the string into the specified byte array and return the byte array. Below I will explain how

PHP image processing class, thumbnail, watermark_PHP tutorial

20 Jul 2016

PHP image processing class, thumbnail, watermark. php image processing class, thumbnail, watermark class Image { /** * @var string $fileName file name * @access private */ private $fileName = ''; /** * @var gd resource $imageResource original image

How to convert a string to lowercase using toLowerCase() method of String class

25 Jul 2023

How to use the toLowerCase() method of the String class to convert a string to lowercase When processing strings, sometimes we need to convert the string to lowercase. The toLowerCase() method in the String class can help us achieve this function. This article will introduce how to use this method to convert strings to lowercase. First, we need to understand the basic usage of toLowerCase() method. The function of this method is to convert the characters in the String object

How to replace all matching content in a string using replaceAll() method of String class

26 Jul 2023

How to use the replaceAll() method of the String class to replace all matching content in a string. Introduction: During string processing, sometimes we need to replace all matching content in a string with specified content. Java provides the replaceAll() method of the String class to implement this function. This article will introduce the use of the replaceAll() method and provide some practical code examples. 1. Basic usage of replaceAll() method repla

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