Test for space characters starting at the beginning of a string.This function is valid in v2.0.0 to v2.22.1. This function has been downloaded 25 times.
true, only the beginning of the string is checked to see if it starts with a space character. If
false, all of the string is checked to see if it only contains space characters.
strstarts with a space character or if
stronly contains space characters. Otherwise
This function directly requires the following function which is included automatically: