158
Text String Processing Instructions
Section 3-31
FIND IN STRING
FIND
@FIND$
660
Output
Required
STRING LENGTH
LEN$
@LEN$
650
Output
Required
REPLACE IN
STRING
RPLC$
@RPLC$
661
Output
Required
DELETE STRING
DEL$
@DEL$
658
Output
Required
Instruction
Mnemonic
Code
Symbol/Operand Function Location
Execution condition
FIND$(660)
S1
S2
D
S1: Source text
string first word
S2: Found text
string first word
D: First
destination word
Finds a designated text string from within a text string.
Found data
→→→
LEN$(650)
S
D
S: Text string first
word
D: 1st destination
word
1
3
5
2
4
Calculates the length of a text string.
→
RPLC$(654)
S1
S2
S3
S4
D
S1: Text string
first word
S2: Replacement
text string first
word
S3: Number of
characters
S4: Beginning
position
D: First
destination word
Replaces a text string with a designated text string from a designated
position.
→→
DEL$(658)
S1
S2
S3
D
S1: Text string
first word
S2: Number of
characters
S3: Beginning
position
D: First
destination word
G
→→
Deletes a designated text string from the middle of a text string.
Number of characters to be
deleted (designated by S2).
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