Perl String Functions
Shows Perl string functions with
code examples.
chomp
Removes line ending characters
from a string or array of strings.
chop
Removes the last character from
a string or array of strings.
chop STRING
eval
Evaluates perl code, then
executes it.
eval STRING
Any errors are returned in the
@a variable.
index
This function returns the
position of the first occurance of
the specified SEARCH string. If
POSITION is specified, the
occurance at or after the position
is returned. The value -1 is
returned if the SEARCH string is
not found.
rindex STRING,SEARCH,POSITION
rindex STRING,SEARCH
length
Returns the length of the
string in bytes.
length STRING
lc
Converts all characters in the
string to lower case.
lc Str
lcfirst
Takes a string and retruns it
with the first character in lower
case.
lcfirst Str1
quotemeta
rindex
This function returns the
position of the last occurance of
the specified SEARCH string. If
POSITION is specified, the
occurance at or before the
position is returned. The value -1
is returned if the SEARCH string
is not found.
rindex STRING,SEARCH,POSITION
rindex STRING,SEARCH
substr
This function supports three
sets of passed values as follows:
substr (STRING,OFFSET,LEN,REPLACEMENT)
substr (STRING,OFFSET,LEN)
substr (STRING,OFFSET)
The function:
substr (STRING,OFFSET)
returns all characters in the
string after the designated offset
from the start of the passed
string. The function:
substr (STRING,OFFSET,LEN)
returns all characters in the
string after the designated offset
from the start of the passed
string up to the number of
characters designated by LEN. The
function:
substr (STRING,OFFSET,LEN,REPLACEMENT)
Replaces the part of the string
beginning at OFFSET of the length
LEN with the REPLACEMENT string.
uc
Converts all characters in the
string to upper case.
uc Str
ucfirst
Takes a string and retruns it
with the first character in upper
case.
ucfirst Str1 | 
