A string can be created in DOS in the following way.

Empty String

String interpolation is a way to construct a new String value from a mix of constants, variables, literals, and expressions by including their values inside a string literal.

You can use the set operator to concatenate two strings or a string and a character, or two characters. Following is a simple example which shows how to use string concatenation.

In DOS scripting, there is no length function defined for finding the length of a string. There are custom-defined functions which can be used for the same. Following is an example of a custom-defined function for seeing the length of a string.

A variable which has been set as string using the set variable can be converted to an integer using the /A switch which is using the set variable. The following example shows how this can be accomplished.

This used to align text to the right, which is normally used to improve readability of number columns.

This is used to extract characters from the beginning of a string.

This is used to extract a substring via the position of the characters in the string.

The string substitution feature can also be used to remove a substring from another string.

This is used to remove the first and the last character of a string.

This is used to remove all spaces in a string via substitution.

To replace a substring with another string use the string substitution feature.

This is used to extract characters from the end of a string.