GoLang strrchr

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GoLang replacement for PHP's strrchr [edit | history] 
func Strrchr(str, chr string) string {
	if len(str) == 0 || len(chr) == 0 {
		return ""
	}
	if index := strings.LastIndex(str, chr); index != -1 {
		return str[index:]	}
	return ""
}

eg:
fmt.Println(Strrchr("Golang is the best language in the world", "in"))

PHP strrchr

PHP original manual for strrchr [ show | php.net ]

strrchr

(PHP 4, PHP 5, PHP 7)

strrchr — Find the last occurrence of a character in a string

Description

string strrchr ( string $haystack , mixed $needle )

This function returns the portion of haystack which starts at the last occurrence of needle and goes until the end of haystack.

Parameters

haystack

The string to search in

needle

If needle contains more than one character, only the first is used. This behavior is different from that of strstr().

If needle is not a string, it is converted to an integer and applied as the ordinal value of a character.

Return Values

This function returns the portion of string, or FALSE if needle is not found.

Changelog

Version Description
4.3.0 This function is now binary safe.

Examples

Example #1 strrchr() example

<?php
// get last directory in $PATH
$dir = substr(strrchr($PATH, ":"), 1);

// get everything after last newline
$text = "Line 1\nLine 2\nLine 3";
$last = substr(strrchr($text, 10), 1 );
?>

Notes

Note: This function is binary-safe.

See Also

  • strstr() - Find the first occurrence of a string
  • strrpos() - Find the position of the last occurrence of a substring in a string