yields True if the beginning of string matches the string pattern patt, and yields False otherwise.


gives a list of the results for each of the stringi.


represents an operator form of StringStartsQ that can be applied to an expression.

Details and Options


open allclose all

Basic Examples  (4)

Check that a string starts with a given prefix:

Give a list of strings as input:

Specify a prefix using a string pattern:

Map the operator form over a list:

Use the operator form to select strings:

Options  (1)

IgnoreCase  (1)

Match a prefix regardless of case:

Introduced in 2015