What Are Non-Alphanumeric Characters?

What Are Non-Alphanumeric Characters?

In the modern-day, there are a lot of characters defined in different classes. These characters can be letters, numbers, signs, special characters, etc. One of the categorizations of the characters is alphanumeric and non-alphanumeric characters. Non-alphanumeric characters are characters that are not numbers or letters. Non-alphanumeric characters consist of signs and special characters. Non-alphanumeric Characters … Read more

Only Numbers In Regex (Regular Expression)

Only Numbers In Regex (Regular Expression)

Numbers can be matched or searched by using regex patterns. The regex can be expressed as there is no character or letter and only contains numbers. This regex can be used only for numbers in different platforms or programming languages like C#, Java, JavaScript, etc. Regex is a generic expression language where different text patterns … Read more

PHP str_replace() Function Tutorial

PHP str_replace() Function Tutorial

PHP provides the str_replace() function in order to replace characters or strings in a string. The str_replace() function can be also used to search in an array and replace string too. The replacement of the string occurs in every array element. The str_replace() function is case sensitive function where the uppercase and lowercase characters or … Read more