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package main

import (
	"fmt"
	"strings"
)

func main() {
	fmt.Println(strings.Count("abc1234qwerabc", "abc"))
}

#统计字符串abc出现的次数统计字符串abc出现的次数

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fmt.Println(strings.Count("abc1234qwerabc", "abc"))

#忽略大小写判断两个字符串是否相等忽略大小写判断两个字符串是否相等

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fmt.Println(strings.EqualFold("HeLLo", "hello"))

#判断两个字符串是否绝对相等判断两个字符串是否绝对相等

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fmt.Println("HeLLo" == "hello")

#将给定字符串中的1换成one,并且只换前两个(最后2的意义)将给定字符串中的1换成one,并且只换前两个(最后2的意义)

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fmt.Println(strings.Replace("123asdqwe123fgs123","1","one",2))

#用-作为分隔符将字符串转换为数组

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fmt.Println(strings.Split("abc-2131-abc-dsa", "-"))

将字符串进行大小写的转换

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fmt.Println(strings.ToUpper("abc-2131-abc-dsa")) //小写转大写
fmt.Println(strings.ToLower("ABC-2131-ABC-DSA")) //小写转大写

去掉字符串两边的空格

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fmt.Println(strings.TrimSpace("   ABC-2131-ABC-DSA   "))

将字符串两边指定的字符去掉

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fmt.Println(strings.Trim("#  #ABC-2131-ABC-DSA #","# "))     //去掉两边的#号和空格

将字符串左边指定的字符去掉

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fmt.Println(strings.TrimLeft("#  #ABC-2131-ABC-DSA #","# "))

将字符串右边指定的字符去掉

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fmt.Println(strings.TrimRight("#  #ABC-2131-ABC-DSA #","# "))

判断字符串是否以指定的字符串开头

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fmt.Println(strings.HasPrefix("https://zhengyu1992.cn","http")) 

判断字符串是否以指定的字符串结尾

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fmt.Println(strings.HasSuffix("demo.jpg","jpg"))