void s = strinfirst({string}, {find}) - Returns {string} starting from the first instance of {find}.
void s = strleft({string}, {length}) - Returns {length} number of characters from the left side of {string}.
int i = strlength({string}) - Returns number of characters in {string}
void s = strright({string}, {length}) - Returns {length} number of characters from the right side of {string}.
