String Operations

The following set of predicates provides complete functionality for string processing, such as searching inside a strings and extraction of the string parts.

EZY Prolog has also built-in regular expressions functional calls which can be used for pattern-matching inside text strings.

For more complex text searching and replacing please see EZY Prolog String Replacement subsystem

concat		Concatenate two strings
format		Format several arguments into a string
frontchar		Gets the first char of the string
frontstr		The frontstr splits Inpstring into two parts.
fronttoken		Breaks the string into tokens
searchstring		Returns the start position of the SerchStr in String.
searchstring		Search the substring
str_len		Returns the length of the string.
str_member_of		List member check
str_toklist		Break the string into tokens
string_replace		Replaces the string inside the string
string_to_slist		Breaks list to stringlist by separator. (see example)
substring		Returns part of string
upper_lower		Convert between upper and lower case characters.