check if string or file contains shebang

If string is blank return null

LZ-based compression algorithm

Checks if string begins with the given target string

Check if string looks like a boolean.

Validate if string is purely hexadecimal

check if string includes ofr

Check if string includes multiple for next.

Returns true if string has a byte order mark (BOM)

check if string is wds

Checks if string is an XPath

Check if string can tweet

Check if a string is an IP address

Checks if string contains character

Test if string are equal, if string index of array or array items index of an other array.

Strip ANSI escape codes from a string

Check if string includes multiple for next.

Slice a string with ANSI escape codes

Returns true if a string has an extglob.

Checks if string contains character