How to check if string contains specific word in PHP

1. How do you check if a string contains a specific word in PHP?
2. How do I check if a string contains a word?
3. How do I match a string in PHP?
4. How do I find a substring in a string?
5. How do I check if a string contains a character?
6. Is character in string PHP?
7. How do you check if a string contains a word python?
8. How do you check if a string contains a character JS?
9. How do you check if a string contains only numeric digits?
10. What is PHP expression?
11. What is PHP regular expression?
12. What is Strstr PHP?

How do you check if a string contains a specific word in PHP?

You can use the PHP strpos() function to check whether a string contains a specific word or not. The strpos() function returns the position of the first occurrence of a substring in a string. If the substring is not found it returns false . Also note that string positions start at 0, and not 1.

How do I check if a string contains a word?

The contains() method provides the best way to check if String contains another substring or not. It reads well and returns boolean, which means you can directly use it inside if statements. The contains method returns true if and only if this string contains the specified sequence of char values.

How do I match a string in PHP?

The strcmp() function compares two strings. Note: The strcmp() function is binary-safe and case-sensitive. Tip: This function is similar to the strncmp() function, with the difference that you can specify the number of characters from each string to be used in the comparison with strncmp().

How do I find a substring in a string?

The String class provides two accessor methods that return the position within the string of a specific character or substring: indexOf and lastIndexOf . The indexOf method searches forward from the beginning of the string, and lastIndexOf searches backward from the end of the string.

How do I check if a string contains a character?

The Java String contains() method is used to check whether the specific set of characters are part of the given string or not. It returns a boolean value true if the specified characters are substring of a given string and returns false otherwise. It can be directly used inside the if statement.

Is character in string PHP?

The strpos() function finds the position of the first occurrence of a string inside another string. Note: The strpos() function is case-sensitive. Note: This function is binary-safe. ... stripos() - Finds the position of the first occurrence of a string inside another string (case-insensitive)

How do you check if a string contains a word python?

How to Check if a String contains a Substring in Python?

1. By using find() method.
2. By using in operator.
3. By using count() method.
4. By using str.index() method.
5. By using operator.contains() method.

How do you check if a string contains a character JS?

JavaScript String includes() Method

The includes() method determines whether a string contains the characters of a specified string. This method returns true if the string contains the characters, and false if not. Note: The includes() method is case sensitive.

How do you check if a string contains only numeric digits?

Using Regular Expression:

1. Get the String.
2. Create a Regular Expression to check string contains only digits as mentioned below: regex = "[0-9]+";
3. Match the given string with Regular Expression. ...
4. Return true if the string matches with the given regular expression, else return false.

What is PHP expression?

In PHP, almost anything you write is an expression. The simplest yet most accurate way to define an expression is "anything that has a value". The most basic forms of expressions are constants and variables. ... Functions are expressions with the value of their return value.

What is PHP regular expression?

A regular expression is a sequence of characters that forms a search pattern. ... A regular expression can be a single character, or a more complicated pattern. Regular expressions can be used to perform all types of text search and text replace operations.

What is Strstr PHP?

The strstr() function is a built-in function in PHP. It searches for the first occurrence of a string inside another string and displays the portion of the latter starting from the first occurrence of the former in the latter (before if specified). This function is case-sensitive.