I like have a utility that I use to load records in a DB. I usually save of data as csv, but the utility uses a slightly different (in my opinion simpler) format. The default delimiter is a '|' character. So I need to convert all the commas in the csv to '|', but I don't want to convert commas th...

只能匹配汉字，数字，字母

regex to capture ip4/ip6 addresses with named capture groups. The Following features are included: PHP and python support ip4 byte size check (ensures byte can't exceed 255) ip6 checks if hex characters are valid uses a negative lookbehind to check if the ip is a word on its own...