Ctrl + F key combination.Important: , Important! or Important,.Important ✨
9 is a character, and 99 is a number with two characters 9 and 9.
— which acts as a metacharacter inside the square brackets [] and outside it acts as a literal character.[0-9] — matches number 0 to 9.[A-Z] — matches A to Z.[a-z] — matches a to z.^ is the metacharacter for negation.[^aeiou] matches consonants[^05] matches the numbers not divisible by 5.[^a-zA-Z] matches other than alphabets.medi[^a] matches mediumNote 📝] - ^ \are not literals inside the[ ]. But,. * ! , ; & $are all the literals. This means, -a[sk.]txtmatchesa.txt,astxt,aktxtonly. - we can escape—inside the brackets, asfile[0\-]which also matches—literal.