This class offers many functions to work with strings in PHP. The following functions are included:
validate URL
validate IPv4
validate IPv6
validate Email
validate Numeric
generate password
convert string to upper
convert string to lower
capitalize string
check if string begins with
check if string ends with
check if string contains
shorten string
shuffle string
replace string
left trim
right trim
get length of string
check if number is between numbers
difference between two dates
get Apache modules
get Apache version
Apache lookup URI
Apache request headers
Apache response headers