How to Format a Currency with Commas in Golang
Formatting float to currency string in Go.
Using localized formatting
Use golang.org/x/text/message to print using localized formatting for any language in the Unicode CLDR.
Make a main.go file containing the following:
package main
import (
"...
How to Delete a Character from a String in Python
In Python, there are 2 ways to delete a character from a string.
Using replace Method
The str.replace(old, new[, count]) method returns a copy of the string with all occurrences of substring old replaced by new. If the optional argument count is giv...
How to Get the Psition of a Character in Python
In Python, there are 3 ways to get the position of a character.
Using find Method
The str.find(sub[, start[, end]]) method returns the lowest index in the string where substring sub is found within the slice s[start:end]. Optional arguments start an...
How to Remove all Whitespace in a String in Python
In Python, there are 3 ways to remove all whitespace in a string.
Using str.replace Function
The str.replace(x) function returns a copy of the string with all occurrences of substring old replaced by new.
See the following example:
#!/usr/bin/p...
How to Index Characters in a String in Go
In Golang, there are 2 ways to index characters in a string.
Using individual characters
In UTF-8, ASCII characters are single-byte corresponding to the first 128 Unicode characters. Strings behave like slices of bytes. A rune is an integer value i...
How to Count the Occurrences of a List Item in Python
In Python, there are 3 ways to count the occurrences of a list item.
Using count Method
The str.count() method returns the number of non-overlapping occurrences of substring sub in the range [start, end]. Optional arguments start and end are interpr...
How to Split a String in Rust
In Rust, there are 3 ways to split a string.
Using split Function
An iterator over substrings of this string slice, separated by characters matched by a pattern. See the following example:
fn main() {
let s = "abc1bcd2e";
let _split = s.sp...
How to check if string contains substring in Rust
In Rust, there are 3 ways to check if string contains substring.Using String contains Function
The easiest way to check if a Rust string contains a substring is to use String::contains method.
The contains method Returns true if the given pattern m...
How to split a string into a slice in Go
Splitting a String into a Slice in Golang.Using strings.Split Function
Use the strings.Split function to split a string into its comma separated values.
package main
import (
"fmt"
"strings"
)
func main() {
s := "Japan,Germany"
// func S...
How to check if string contains substring in Python
Does Python have a string 'contains' substring method?.Using the in Operator
The easiest way to check if a Python string contains a substring is to use the in operator.
str = "Python"
if "th" in str:
print("Found!")
# case-insensitive
if "TH" no...
How to get a substring from a string in Go
Extracting substrings in Go.Using the slice syntax
A slice is formed by specifying two indices, a low and high bound, separated by a colon:
// a[low : high]
s := "Hello,世界"
// e
fmt.Println(s[1:2])
fmt.Println(s[1:])
// Hello,世界
fmt.Println(s[:])
...
How to check if a string contains a substring in JavaScript
How do you check if a string contains a substring?.Using String.prototype.includes
The includes() method performs a case-sensitive search to determine whether one string may be found within another string, returning true or false as appropriate.
'Go...
How to check if string contains a substring in Go
Go test string contains substring.Using strings.Contains Function
How do I check if a string is a substring of another string in Go? Use the function Contains from the strings package.
Contains function returns a boolean value. It returns true if the...