in Google Apps Script; using Regular Expression & Conditional formatting - to create a IPv4 address validator / checker
问题 in Google Apps Script; using Regular Expression & Conditional formatting - to create a IPv4 address validaton / checker 1. VALIDATING the input with regular expression : I try to make a script to get feedback of a validator, to check if the input an IP addresses is. regular expression pattern : cell ' ip!I12 ' named ' REGEXP_IP_pattern ' : ^((((25[0-5])|(2[0-4][0-9])|([01]?[0-9]{1,2}))\.){3}((25[0-5])|(2[0-4][0-9])|([01]?[0-9]{1,2}))) reg exp demo : https://regexr.com/54fon - works fine (in