If you are looking for a shell utility to do something like that, you can use the cut command. To take your example, try: echo “abcdefg” | cut -c3-5 which yields cde Where -cN-M tells the cut command to return columns N to M, inclusive.
Use the rtrim function: rtrim($my_string, ‘,’); The Second parameter indicates the character to be deleted.
Use the fact that awk splits the lines in fields based on a field separator, that you can define. Hence, defining the field separator to / you can say: awk -F “https://stackoverflow.com/” ‘{print $NF}’ input as NF refers to the number of fields of the current record, printing $NF means printing the last one. So … Read more
Here are a few ways: 1) sub sub(“.*:”, “”, string) ## [1] “E001” “E002” “E003” 2) strsplit sapply(strsplit(string, “:”), “[“, 2) ## [1] “E001” “E002” “E003” 3) read.table read.table(text = string, sep = “:”, as.is = TRUE)$V2 ## [1] “E001” “E002” “E003” 4) substring This assumes second portion always starts at 4th character (which is … Read more
var streetaddress = addy.substr(0, addy.indexOf(‘,’)); While it’s not the best place for definitive information on what each method does (mozilla developer network is better for that) w3schools.com is good for introducing you to syntax.
Not sure what would perform faster but this would be more reliable when it comes to extension like .jpeg or .html x.replace(/\.[^/.]+$/, “”)
slice() works like substring() with a few different behaviors. Syntax: string.slice(start, stop); Syntax: string.substring(start, stop); What they have in common: If start equals stop: returns an empty string If stop is omitted: extracts characters to the end of the string If either argument is greater than the string’s length, the string’s length will be used … Read more