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Check whether a string is empty, disregaring whitespace characters
Source position: strutils.pp line 152
| function IsEmptyStr( | 
| const S: string; | 
| const EmptyChars: TSysCharSet | 
| ):Boolean; | 
| S | 
 | String to check | 
| EmptyChars | 
 | Characters to consider as whitespace | 
True if the string consists solely of empty characters.
IsEmptyStr returns True if the string S only contains characters whitespace characters, all characters in EmptyChars are considered whitespace characters. If a character not present in EmptyChars is found in S, False is returned.
None.
| 
 | Check whether a string matches a wildcard search expression. | |
| 
 | Search for a substring in a string, using wildcards. | |
| 
 | Check for the presence of a word in a string. |