regex101: Regex to capture AlphaNumeric String of 7 or 11 length(Must contain at least one Alphabet and Must contain at least one Numeric)
![Regular expression for the language of even length strings starting with a and ending with b in theory of automata | T4Tutorials.com Regular expression for the language of even length strings starting with a and ending with b in theory of automata | T4Tutorials.com](https://t4tutorials.com/wp-content/uploads/regular-expression-even-length-strings-EXAMPLE.webp)
Regular expression for the language of even length strings starting with a and ending with b in theory of automata | T4Tutorials.com
![Php regex that matches substring followed by any length of character and then comma - Stack Overflow Php regex that matches substring followed by any length of character and then comma - Stack Overflow](https://i.stack.imgur.com/Th2CC.png)