Loading [MathJax]/jax/output/HTML-CSS/jax.js

CHR_ISNAM

Return whether a string is a valid name

Description:

Determine whether the given string is a valid name: i.e. whether it starts with an alphabetic character and continues with alphanumeric or underscore characters.

Invocation

RESULT = CHR_ISNAM( STRING )

Arguments

STRING = CHARACTER ( ) (Given)
The string to be tested.

Returned Value

CHR_ISNAM = LOGICAL
Returns .TRUE. if the given string is a valid name, returns .FALSE. otherwise.