'^[சிகு]' is the intended expression for lines that starts with either 'சி' or 'கு' just like how in English '^[ab]' matches lines that start with either 'a' or 'b' But since Unicode represents some ...

Regular expressions (Regex) are patterns that match character combinations in strings. Regexes can be utilized as a powerful mechanism for solving string-matching problems and are supported by all ...