Modern String SpanOf

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SpanOf

Counts the run of characters from a set that starts at a position.

Syntax

SpanOf( start, s, chars [, ic] )

Notes

• O(n*k) — long

Examples

#import "std/strings"
using strings

print SpanOf( 1, "   x", " " )        '' 3 -- three leading spaces
print SpanOf( 1, "x", " " )           '' 0 -- stops immediately
print SpanOf( 4, "   xyz", "xyz" )    '' 3 -- counts from position 4 on

'' Skipping indentation without a trim
dim as ustring line_ = "    indented"
print mid( line_, SpanOf( 1, line_, " " ) + 1 )    '' indented

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Library: String Library
Category: String Library
Documented under: The Functions