[HTML] pobierz, plaintext var str = "a1b3c4";alert( str.replace( /[a-zA-Z]/gi, "" ) );[HTML] pobierz, plaintext
[HTML] pobierz, plaintext var str = "a1b3c4"; alert( str.replace( /[a-zA-Z]/gi, "" ) ); // 134 <-- tu i jest zbędne z tego co dobrze kojarze alert( str.replace(/[^0-9]/g, "") ); //134[HTML] pobierz, plaintext
[HTML] pobierz, plaintext var str = "a1b3c4!@#$%^&*()_+";[HTML] pobierz, plaintext