1 / 5
Regex Easily Handle Optional Characters Pro Tip Inside - pjzai5i
2 / 5
Regex Easily Handle Optional Characters Pro Tip Inside - v7hmp8r
3 / 5
Regex Easily Handle Optional Characters Pro Tip Inside - f9h8jd7
4 / 5
Regex Easily Handle Optional Characters Pro Tip Inside - fwaehir
5 / 5
Regex Easily Handle Optional Characters Pro Tip Inside - 5op512u


  • means zero or more … For example, what is its significance in this expression: · may i know what ?= means in a regular expression? · parentheses in regular expressions define groups, which is why you need to escape the parentheses to match the literal … Refers to any character, be it a number, an aplhabet character, or any other special character. In case it is js it indicates the start and end of the regex, like quotes for strings. · specifically when does ^ mean match start and when does it mean not the following in regular expressions?