Strings

A string is a sequence of characters, its an immutable data type in Pa, They can be created using double quotes or single quotes.

Concatenation

Concatenation between strings is done by the + operator, its the only operator that allows either 2 strings or numbers operand types.

//Hello fellow, reader!
"Hello fellow, " + "reader!"; 
                    

Indexing

You can access a single character by index in a string like so

"Wow"[0]; //W
"Wow"[1]; //o
"Wow"[2]; //W

let wow = "Wow";
wow[0]; //W
                    

Methods

All the current methods of a string object.

length()

Returns the length of the given string.

"wow".length(); //3
                    

toNumber()

Return a casted number from the given string.

"1".toNumber(); //1
"a".toNumber(); //error
                    

split(delimiter: string)

Returns a list of sub-strings, it splits a string by the given delimiter.

//["wow", "wow"]
"wow;wow".split(";");

//["Code", "Clean"]
"CodeisClean".split("is");
                    

lower()

Returns the lowercase version of the given string.

"COOL".lower(); //cool
                    

upper()

Returns the uppercase version of the given string.

"cool".upper(); //COOL
                    

capitalize()

Returns a version of the given string with its first character capitalized.

"cool".capitalize(); //Cool
                    

startsWith(prefix: string)

Returns true if the given string starts with the given prefix. Otherwise false.

"cool".startsWith("c"); //true

"cool".startsWith("co"); //true
                    

endsWith(suffix: string)

Returns true if the given string ends with the given suffix. Otherwise false.

"cool".endsWith("l"); //true

"cool".endsWith("ol"); //true

"cool".endsWith("ool"); //true
                    

isAlpha()

Returns true if the given string's characters are all alphabetic and the string is not empty. Otherwise false.

"wow".isAlpha(); //true

"wow1".isAlpha(); //false

"".isAlpha(); //false
                    

isDigit()

Returns true if the given string's characters are all digits and the string is not empty. Otherwise false.

"wow1".isDigit(); //false

"".isDigit(); //false

"12345".isDigit(); //true
                    

isSpace()

Returns true if the given string's characters are all whitespaces and the string is not empty. Otherwise false.

"w  ".isSpace(); //false

"".isSpace(); //false

"   ".isSpace(); //true
                    

trimSpace()

Returns a version of the given string with leading and trailing space characters removed.

"w  ".trimSpace(); //w

"   w  ".trimSpace(); //w

"s p a c e".trimSpace(); //space
                    

replace(target: string, new: string)

Replaces the target sub-string with the new given string.

"apple".replace("a", "b"); // bpple

// good and good
"bad and bad".replace("bad", "good");
                    

format(template: string, arguments: any)

Replaces the placeholders inside the template string argument with the given argument values.

"Pa is {}!".format("awesome");
// Pa is awesome

"{} + {}".format(1, 1);
// 1 + 1