In R, you write regular expressions as strings, sequences of characters surrounded by quotes ("") or single quotes(''). Some characters cannot be represented directly in an R string . These …

Original handout written by Neal Kanodia and Steve Jacobson. One of the most useful data types supplied in the C++ libraries is the string. A string is a variable that stores a sequence of letters …

Use writeLines() to see how R views your string after all special characters have been parsed.

For example – how do we make a version of a string that doesn't include any spaces? Make a new string by checking each character and only add each one if it isn't a space.

Repeated calls on this function allow the tokenizing of a string str in which the tokens are separated by characters from the string set. See the text or one of the references for a full …

function that returns a new string and leaves the original string unmodified, function that directly modifies the original string.

ML provides a wide variety of string manipulation routines. Included are: substring(string,start,len) start is the starting position, counting from 0. len is the length of the desired substring. For …